Financial Terms & Glossary

74 concepts explained in plain language — every metric Promi tracks, defined and illustrated.

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Accounts & Net Worth

The building blocks of your financial identity — what you own, what you owe, and the gap between them.

Net worth = Total Assets − Total Liabilities. It's the single most honest measure of financial health — and the one most people avoid calculating, which tells you something.

Negative net worth isn't a character flaw. It usually means you're 26 with student loans or just bought a house. Everyone starts somewhere, and that somewhere is often below zero.

Your net worth changes every single day as balances fluctuate. Promi recalculates it automatically from every linked account — great for obsessive refreshers, nerve-wracking during market corrections.

Assets − Liabilities = Net Worth

Checking + Savings + 401(k) + Home − Mortgage − Loans − Credit Cards

See it live: Accounts page — the net-worth header updates in real time.

Assets: the cash in your checking account, the 401(k) you keep meaning to look at, your home, your car. Liabilities: your mortgage, student loans, auto loans, and that credit card balance you've been pretending doesn't exist.

Not all debt is bad — that's not just something people with mortgages tell themselves. A home loan finances an appreciating asset. Student loans finance earning power. A credit card balance financing last weekend's vibes? That's the bad kind.

Promi tracks both sides automatically from linked accounts, and fills gaps with questionnaire data for things that can't be linked — like your home value, because Zillow and your bank refuse to talk to each other.

Assets

  • Cash $30k
  • 401(k) $120k
  • Home $350k
  • Car $20k

Total $520k

Liabilities

  • Mortgage $200k
  • Student $40k
  • Car Loan $15k
  • CC Debt $3k

Total $258k

See it live: Accounts page — asset and liability totals with debt-to-asset ratio.

Liquid assets: checking, savings, money market. You can access them today, zero drama.

Semi-liquid: stocks and bonds in a brokerage. Sellable in days, but the market might pick that exact day to have feelings.

Illiquid: real estate, retirement accounts (10% penalty before 59½), private investments. Valuable on paper, useless in an emergency.

The classic move: keep 3–6 months of expenses in liquid assets. That way when the car dies or the landlord raises rent, you don't have to sell stocks at the worst possible moment.

Liquidity Spectrum

CheckingInstant access
SavingsInstant access
Brokerage1–3 days to sell
RetirementPenalty before 59½
Real EstateMonths to sell
See it live: Accounts page — liquid vs non-liquid breakdown with emergency fund benchmark.

Formula: (Total Liabilities ÷ Total Assets) × 100. It answers a simple question: how much of what you "own" do you actually own?

Under 30% is solid. 30–60% is manageable but worth watching. Over 60% means more than half your financial life is financed by someone else's money — which is fine if it's a mortgage, less fine if it's credit cards.

Context is everything. A 50% ratio from a mortgage on an appreciating home is a completely different animal from 50% driven by consumer debt. The number is the same; the story isn't.

Debt-to-Asset Ratio Scale

You: 38%

Healthy (< 30%)

Moderate (30–60%)

High (> 60%)

See it live: Accounts page — displayed alongside your net worth overview.

Good debt finances things that grow in value or boost your earning power: mortgages, education, business investment. The interest rate is low and the return exceeds the cost. It's leverage working for you.

Bad debt finances things that lose value while the debt grows: credit card balances, payday loans, high-rate auto financing. You're paying 24% interest on a dinner you ate three months ago. The restaurant doesn't even remember you.

The dividing line is brutal: does borrowing this make you richer over time, or poorer? If the answer isn't immediately clear, it's probably the second one.

Good Debt (low rate, productive)

  • Mortgage (3–7%)
  • Student Loans (4–8%)
  • Business Loan (6–12%)

Bad Debt (high rate, depreciating)

  • Credit Cards (18–29%)
  • Payday Loans (300%+)
  • High-rate Auto (15%+)

Avalanche: pay minimums everywhere, throw every extra dollar at the highest-interest debt first. Mathematically optimal. Saves the most money. The spreadsheet's choice.

Snowball: pay minimums everywhere, throw every extra at the smallest balance first. Gives quick wins. Creates momentum. The psychologist's choice.

Both work. Avalanche saves more money. Snowball keeps more people from quitting. The best debt payoff method is whichever one you'll actually stick with at 10 PM on a Tuesday when you'd rather just pay the minimum.

Avalanche (by interest rate)

  • 1. CC at 24% APR
  • 2. Personal loan 15%
  • 3. Student loan 5%
  • 4. Mortgage 3.5%

✓ Saves the most money

Snowball (by balance)

  • 1. $500 medical
  • 2. $2k CC balance
  • 3. $15k student loan
  • 4. $200k mortgage

✓ Fastest emotional wins

APR bundles the interest rate plus any mandatory fees into one annualized number. It's the true cost of a loan or credit card — the number they'd rather you not focus on.

Credit card APRs typically range from 18–29%. Carry a $5,000 balance at 24%? That's roughly $1,200/year in interest — about $100/month that buys you absolutely nothing. Not even a thank-you card.

APR on savings is called APY (Annual Percentage Yield). High-yield savings currently offers ~4–5% APY, which means your money can work for you instead of against you, for a change.

💳

Sarah, 29

Carries a $5,000 credit card balance at 24% APR and makes minimum payments.

$5,000

Balance

24%

APR

$100

Monthly Interest

$1,200

Annual Cost

💡

She pays $100/month in interest alone — money that buys nothing. Paying it off first saves more than most investments earn.

Simple interest pays only on your original deposit. Compound interest pays on the original plus all previously earned interest. Over decades, the difference is absurd.

$10,000 at 7% for 30 years: simple interest = $31,000. Compound interest = $76,123. Same rate, same timeline — compounding more than doubles the result. Einstein (probably) called it the eighth wonder of the world.

The catch: compounding works against you too. Credit card debt at 24% APR compounds, which is why that "small" balance grows like it's training for a marathon while you make minimum payments.

$10,000 at 7% annually

TimeValue
Year 1$10,700 (+$700)
Year 10$19,672 (+$9,672)
Year 20$38,697 (+$28,697)
Year 30$76,123 (+$66,123)
7.6× your money in 30 years

Inflation means the same dollar buys less stuff every year. The Fed targets ~2% annually, though recently it's been more like "2% plus whatever mood the economy is in."

At 3% inflation, $100 today buys $74 worth of stuff in 10 years. Money sitting in a 0% checking account isn't "safe" — it's slowly evaporating. You just can't see it.

The Consumer Price Index (CPI) measures inflation officially. "Real" returns (investment gains minus inflation) are what actually build wealth. A 5% return during 5% inflation is just running in place.

Purchasing Power of $100 at 3% Inflation

TimeValue
Today$100
5 years$86
10 years$74
20 years$55
30 years$41

Gross income is what your employer says they pay you. Net income is what you actually receive after federal tax, state tax, FICA (Social Security + Medicare), health insurance, and retirement contributions eat their share.

For most W-2 employees, net income is 60–75% of gross. That $100k salary? You'll see about $65–75k of it, depending on how much your state enjoys taxation. Welcome to adulthood.

This is the number that actually matters for budgeting. Nobody pays rent with gross income. Your spending power is net, not gross — no matter what your LinkedIn bio says.

💼

Alex, 32

Software engineer in California earning $120k salary. Here's what actually hits his bank account.

$120k

Gross Salary

-$18k

Federal Tax

-$16k

State + FICA

$86k

Take-Home

💡

72% of gross income — that's the number that actually pays rent and builds savings.

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Transactions & Spending

How money moves through your accounts — income, expenses, and the patterns hiding in your purchase history.

Income: salary, freelance gigs, dividends, interest, refunds. Expenses: literally everything else — rent, groceries, subscriptions you forgot about, that streaming service you use once a year.

Income minus expenses is cash flow. Positive = saving. Negative = drawing from reserves or adding debt. Neither is permanent, but only one is sustainable.

Here's the elite move most people miss: your savings rate — the percentage of income you keep — matters more than your income. A $200k earner saving 5% builds wealth slower than a $60k earner saving 30%. The math doesn't care about your salary.

Income

  • Salary
  • Freelance
  • Dividends
  • Interest

Expenses

  • Rent
  • Food
  • Transport
  • Subscriptions

Net Cash Flow = Income − Expenses

See it live: Transactions page — income vs expense breakdown with net cash flow.

Formula: (Income − Expenses) ÷ Income × 100. That's it. The rest is willpower.

The U.S. average is around 4–5%, which is like running a marathon at a walking pace. Under 10% is survivable but tight. 10–20% is solid. Above 20% and you're in FIRE-community territory where wealth actually starts compounding noticeably.

Millionaires with 0% savings rates go broke. Middle-income earners with 25% savings rates retire early. Income gets the headlines, but savings rate writes the ending.

Savings Rate Benchmarks

Danger zone0%
U.S. average~5%
Solid10%
Strong20%
FIRE zone40%
Extreme saver50%+
See it live: Cash Flow page — real-time savings rate calculated from your transactions.

Everyone has a mental model of their spending. It's usually wrong. Category breakdowns replace "I probably spend $400 on food" with "lol, it's $890."

Plaid auto-categorizes transactions using merchant data. You can reclassify anything to improve accuracy — because yes, that Target run was groceries, not "shopping."

Here's the leverage: your top 2–3 categories typically account for 50%+ of all spending. Know those numbers. They're the only ones that move the needle.

🛒

The Morales Family

Thought they spent $400/mo on food. Actual category breakdown told a different story.

$2,100

Housing

$890

Food (actual)

$450

Transport

$340

Subscriptions

💡

Food was over 2× what they estimated. Category breakdowns replace guesswork with receipts.

See it live: Transactions page — top spending categories with percentages and 6-month comparisons.

The average American swipes 2–3 times a day. Under 1 is monk-mode. Over 5 and your wallet needs its own Fitbit.

Two people can spend the same $3,500/month with completely different patterns. One makes 5 small daily purchases, the other makes 2 weekly bulk buys. Same total — but the first person is far more exposed to impulse spending.

It matters because frequent small purchases bypass the brain's pain center. A $4 coffee doesn't register — but 30 of them per month is $120. Death by a thousand taps.

Two co-workers, same $3,500/mo spend

Jess averages 6 transactions/day. Ryan averages 1.5. Same total — very different patterns.

6.2

Jess: Txns/Day

$380

Jess: Impulse $

1.5

Ryan: Txns/Day

$60

Ryan: Impulse $

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High-frequency spending correlates with more impulse purchases. Fewer transactions = more intentional money.

See it live: Transactions page — daily transaction rate with 6-month and 12-month comparisons.

A budget gives every dollar a job before the month starts. The most popular framework: 50/30/20 — 50% needs (rent, food, insurance), 30% wants (the fun stuff), 20% savings and debt. Simple enough to remember, flexible enough to work.

Zero-based budgeting assigns every dollar until the balance hits $0. Envelope budgeting allocates fixed amounts to categories — when the envelope is empty, you stop. Extreme? Yes. Effective? Also yes.

The best budget is the one you actually follow. Overly rigid budgets fail because life doesn't care about your spreadsheet. Promi's GUIDE budgets adapt by learning from your actual spending — not your optimistic intentions.

50 / 30 / 20 Framework

NeedsRent, food, insurance — 50%
WantsDining, fun, subscriptions — 30%
Save & Pay DebtSavings, investments, debt — 20%
See it live: Transactions page — category analysis shows where spending falls relative to your plan.
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Investments & Portfolio

Growing wealth over time — portfolio structure, risk management, and the concepts that drive long-term returns.

Asset allocation is the single biggest driver of long-term returns — more important than which stocks you pick or whether you buy on Monday vs Friday. It's the boring decision that matters most.

Stocks: growth potential, emotional turbulence. Bonds: stability, modest returns. Cash: safety, but inflation eats it for breakfast.

The old rule of thumb: (110 − your age) in stocks. So a 30-year-old targets ~80% stocks. But honestly, your risk tolerance, income stability, and timeline matter more than any formula. Rules of thumb are guardrails, not gospel.

Aggressive (Age 25)

  • Stocks 85%
  • Bonds 10%
  • Cash 5%

Moderate (Age 45)

  • Stocks 60%
  • Bonds 30%
  • Cash 10%

Conservative (Age 65)

  • Stocks 30%
  • Bonds 50%
  • Cash 20%
See it live: Investing page — real-time allocation breakdown from linked brokerage accounts.

Diversification reduces risk without proportionally reducing returns. In investing, that qualifies as actual magic. Economists call it "the only free lunch."

It works at every level: across asset types (stocks vs bonds), within asset types (U.S. vs international), and across sectors (tech vs healthcare vs energy). Each layer is another shock absorber.

Concentration is just diversification's evil twin. Over 90% in a single stock or sector is a bet, not a portfolio. It feels great on the way up and catastrophic on the way down.

🎯

Tom, 36

Put 95% of his portfolio in tech stocks. Then the sector dropped 35% in 6 months.

$280k

Before

-35%

Tech Drop

$182k

After

$245k

Diversified Alt

💡

A diversified portfolio would have lost ~12% instead of 35%. Diversification is insurance that earns returns.

See it live: Investing page — diversification check showing concentration across asset classes.

When you buy stock, you literally own a fraction of a company. That's both cool and stressful. Your fortune is now tied to someone else's management decisions and the market's mood swings.

Individual stocks are roller coasters. Index funds (like S&P 500 ETFs) are more like escalators — they spread risk across hundreds of companies. Most professional fund managers can't beat the index. If they can't, you probably can't either.

Historical U.S. equity returns: ~10% annually before inflation, ~7% after. But "average" includes years of +30% and −40%. Volatility is the price of admission — and the reason long-term investors get paid for showing up.

Equity Risk–Return Spectrum

Best for most

Single Stocks

Sector ETFs

Broad Index

Total Market

Buying a bond is lending money. The borrower pays you interest (the coupon) and returns your principal at maturity. It's the "I'd like to sleep at night" portion of your portfolio.

Bonds are the shock absorber when stocks crash — when equities tank, bonds usually hold steady or rise. They're boring by design, and that's exactly the point.

One non-obvious thing: bond prices move inversely to interest rates. When rates rise, existing bonds fall in value. When rates drop, existing bonds become more valuable. It's counterintuitive until it isn't.

Bond Risk Spectrum

Most portfolios

Treasury Bills

Investment Grade

Municipal

High Yield (Junk)

An ETF (Exchange-Traded Fund) holds a collection of stocks, bonds, or other assets bundled into one ticker. One purchase, one slice of hundreds or thousands of companies. It's the IKEA furniture of investing — assembly not required.

Index funds track a benchmark (like the S&P 500) instead of trying to beat it. Rock-bottom fees because there's no genius fund manager to pay — just a computer following a list.

The greatest hits: VTI (total U.S. market), VXUS (international), BND (bonds), VT (literally every stock on earth). Warren Buffett bet a million dollars that index funds beat hedge funds. He won.

🧺

One purchase, 4,000 companies

Buying one share of VTI (~$250) instantly gives you ownership across the entire U.S. stock market.

4,000+

Companies

0.03%

Expense Ratio

~12%/yr

10yr Return

~$250

Min Investment

💡

An index fund does in one click what would take thousands of individual stock trades.

Companies can do two things with profits: reinvest in growth or hand some back to shareholders. Mature companies (utilities, banks) pay dividends. Growth companies (tech) reinvest everything. Neither is wrong — they just attract different investors.

Dividend yield = annual dividend ÷ share price. A $100 stock paying $3/year yields 3%. Yields above 5% might look tempting but often signal trouble — the stock price could be falling or the payout isn't sustainable. Sometimes a high yield is a cry for help.

DRIP (Dividend Reinvestment Plan) automatically uses your dividends to buy more shares. It's compounding on autopilot — your money making money that buys more things that make more money.

💵

$10,000 in a Dividend Portfolio

A portfolio yielding 3% pays dividends quarterly. With DRIP, those dividends buy more shares automatically.

$10,000

Portfolio

3%

Annual Yield

$75

Quarterly $

$16,100

10yr w/ DRIP

💡

Reinvested dividends accounted for ~40% of S&P 500 total returns since 1930.

DCA means investing a fixed dollar amount on a regular schedule. When prices are high, you buy fewer shares. When prices crash, you buy more. No market timing, no crystal ball, no stress-induced doom-scrolling.

Technically, lump-sum investing beats DCA about two-thirds of the time — but DCA beats not investing at all 100% of the time. And that's the real competition for most people.

If you contribute to a 401(k) every paycheck, congratulations — you're already dollar-cost averaging. It's the most common investing strategy in the world, and most people don't even know they're doing it.

📅

Emma, 27 — $500/month into VTI

Instead of saving $6,000 to invest at once, Emma invests $500 every month regardless of market conditions.

2.1 shares

Jan (high)

2.8 shares

Mar (dip)

2.0 shares

Jun (high)

$218/sh

Avg Cost

💡

She bought more shares when prices were low, less when high — automatic "buy low" without trying to time anything.

Buy at $50, sell at $80 — that $30 profit is a capital gain. Crucially, you only owe tax when you sell. Paper profits (unrealized gains) are tax-free. This is why people say "it's not a gain until you sell."

Short-term gains (held < 1 year): taxed as ordinary income, up to 37%. Long-term gains (held > 1 year): special rates of 0%, 15%, or 20%. The IRS literally rewards you for being patient.

Hold an investment one extra day past 12 months and your tax rate could drop by 15–20 percentage points. Calendar awareness is the easiest tax strategy that exists.

Short-Term (< 1 year)

  • Taxed as ordinary income
  • Rate: 10%–37%

No preferential treatment

Long-Term (> 1 year)

  • 0% (income < $47k)
  • 15% (income < $518k)
  • 20% (income > $518k)

Hold > 1 year to save 15–20%

Cost basis = your purchase price, including commissions. When you sell, the IRS calculates gain/loss as: sale price minus cost basis. Simple concept, surprisingly complex in practice.

Bought the same stock at different prices over time? You get to choose which shares to sell (specific identification) or default to FIFO (first in, first out). This isn't just record-keeping — it's a tax lever.

Selling high-basis shares means less taxable gain. Selling low-basis shares first means a bigger tax hit. Same stock, same sale price, wildly different tax bills. Your choice of which lot to sell is one of the few free moves in the tax code.

🧮

Three buys, one sale — which shares?

You bought AAPL at three different prices over 2 years. Now you sell some. Your choice of which shares to sell changes the tax bill.

$120/sh

Buy 1

$150/sh

Buy 2

$175/sh

Buy 3

$200/sh

Sell Price

💡

Selling the $175 shares = $25 gain taxed. Selling the $120 shares = $80 gain taxed. Same sale, 3× the tax.

Nominal return is the headline number. Real return = nominal return minus inflation. Made 10% but inflation was 3%? You got 7% richer in actual purchasing power. The other 3% was an illusion.

A 5% return during 5% inflation is breaking even. Your account balance goes up, but your money buys exactly the same stuff. You ran a lap and ended up where you started.

Historical real returns: U.S. stocks ~7%/year, bonds ~2–3%, cash ~0%. This is why long-term money should almost never sit in a savings account — you're mathematically guaranteed to fall behind.

Real Return by Asset Class

60/40 Portfolio

Cash (~0%)

Bonds (~2%)

REITs (~4%)

Stocks (~7%)

Passive income comes from things you own, not hours you work. Dividends, interest, rental income, royalties — it's money from your past decisions paying you in the present.

Fair warning: "passive" is somewhat misleading. Rental properties need tenants and maintenance. Dividend portfolios require years of saving. The word "passive" really means "frontloaded a ton of work or capital" — the income just keeps flowing after that.

Financial independence happens when passive income covers expenses. At that point, working becomes optional. You might still work — but there's a big difference between choosing to and having to.

🏖️

The Nguyens, mid-50s

Built passive income streams over 20 years. Their investments now cover 110% of monthly expenses.

$1,800/mo

Dividends

$2,200/mo

Rental Income

$600/mo

Bond Interest

$4,100/mo

Monthly Expenses

💡

Work is now optional — their money earns more than they spend. That's financial independence.

Cash inside a brokerage earns next to nothing while the rest of your portfolio grows at 7–10%. Every idle dollar is missing the party.

Over 15% cash in investment accounts is worth questioning — unless you're saving for a pending purchase or have a good reason to be cautious. Otherwise, it's dead weight.

At 7% returns, $10k of excess cash costs roughly $700/year in missed growth. Not catastrophic, but compound it over a decade and you've bought yourself a $10k mistake by doing absolutely nothing. Literally.

Cash % Inside Investment Accounts

You: 22%

Optimal (< 5%)

Moderate (5–15%)

Excessive (> 15%)

See it live: Investing page — flagged when cash makes up a large percentage of your portfolio.

Portfolio growth comes from two engines: your existing money appreciating (market returns) and new contributions (adding fuel). Both matter, but over time, the first one does most of the heavy lifting.

Promi's growth chart shows total portfolio value over time — contributions plus returns combined. For pure investment performance, compare against a benchmark like the S&P 500.

Drawdowns happen. Red days happen. Red months happen. But historically, every U.S. market downturn has been followed by recovery. The market rewards the people who stay at the table.

📈

Portfolio journey: $50k starting balance

Contributing $1,000/month with market returns averaging 8%/year. Growth is lumpy but relentless.

$66k

Year 1

$134k

Year 5

$260k

Year 10

$690k

Year 20

💡

The first $100k is the hardest. After that, compounding does most of the work.

See it live: Investing page — portfolio value chart with historical balance snapshots.

A glide path gradually shifts your portfolio from aggressive (mostly stocks) to conservative (more bonds and cash) as you approach retirement. Target-date funds like "Vanguard 2050" automate this entirely — you literally do nothing.

The logic is simple: at 25, a market crash is a buying opportunity. At 60, it's a heart attack. The closer you are to needing the money, the less volatility you can stomach.

There's no single right glide path. Aggressive paths keep more stocks longer (higher returns, more drama). Conservative paths shift earlier (less growth, better sleep). Pick the one that matches your personality, not just your age.

Stock Allocation Over Time

Age 2590% stocks
Age 3580% stocks
Age 4565% stocks
Age 5550% stocks
Age 6535% stocks

RSUs are promises of stock that become yours after vesting, typically over 3–4 years. They're the tech industry's favorite way of saying "please don't leave."

Here's what catches people: RSUs are taxed as ordinary income when they vest — not when granted. So when $50k in RSUs vests, it's like receiving $50k in salary. Surprise tax bill, table for one.

Concentration risk is the big gotcha. If you hold a lot of company stock, your income AND your wealth both depend on the same company. That's not diversification — that's putting everything on one number. Many advisors recommend selling vested RSUs and spreading the money around.

🏢

Priya, 31 — Senior Engineer at BigTech

Receives $200k in RSUs over 4 years. After 2 years, 50% have vested — but 70% of her net worth is in company stock.

$200k

RSU Grant

$100k

Vested (2yr)

~$35k

Tax at Vest

70%

Concentration

💡

If her company stock drops 40%, she loses 40% of her income AND 40% of her wealth. Diversify vested RSUs.

💰

Cash Flow & Runway

The operational side of your finances — how cash moves, how long it lasts, and whether you're building or burning.

Your cash position is the money that's actually accessible right now: checking, savings, money market. Not investments, not retirement accounts — just the cold, liquid stuff.

Net cash position subtracts credit card balances, which is the more honest number. Having $20k in savings and $5k in credit card debt means your real cash position is $15k.

A strong cash position means surprises don't become emergencies. When the car breaks down, you write a check instead of a prayer.

Cash Position Health

You: $14k

Tight (< $2k)

Thin ($2k–$10k)

Healthy ($10k–$30k)

Strong ($30k+)

See it live: Cash Flow page — real-time balance across all liquid accounts.

Burn rate is your 30-day trailing expense total. Think of it as the monthly subscription fee for your lifestyle — non-optional, automatically renewed.

Burn rate drives everything: how long your savings last (runway), how big your emergency fund needs to be, and whether that career change is financially feasible.

One-time big purchases (furniture, car repair, that regrettable hot tub) temporarily spike the number. That's noise. Your 6-month average burn rate is the real signal — the actual cost of your life as you live it.

🔥

Lindsay, 28 — Marketing Manager

Lives in Denver. Her 6-month average burn rate tells her the true cost of her lifestyle.

$1,650

Rent

$2,550

All Else

$4,200/mo

Burn Rate

4.3 months

Runway

💡

At $4,200/mo burn, she needs ~$25k for a 6-month emergency fund. She has $18k — almost there.

See it live: Cash Flow page — 30-day burn rate updated daily.

Formula: Liquid Assets ÷ Monthly Burn Rate = Months of Runway. It answers the scariest question in personal finance: how long could you survive without a paycheck?

Under 3 months is the danger zone — one surprise could wipe you out. 3–6 months is solid. 6–12 months is comfortable. This is literally what "financial security" means.

Over 12 months starts raising a different question: is too much money sitting in low-yield accounts? If your cash could be compounding but isn't, inflation is quietly eating it.

Runway Benchmarks

Danger zone0–3 months
Minimum buffer3 months
Solid fund6 months
Comfortable12 months
Consider investing excess24+ months
See it live: Cash Flow page — runway in months, recalculated daily from actual spending.

Emergency funds exist so that life's inevitable disasters — job loss, medical bills, surprise repairs — don't cascade into debt spirals. They're boring by design and invaluable by function.

The benchmark: 3–6 months of expenses (not income). Spending $4,000/month? Aim for $12k–$24k in cash. It sounds like a lot until you need it, at which point it sounds like not nearly enough.

Keep it in a high-yield savings account — liquid enough for emergencies, but earning 4–5% APY instead of the 0.01% your big bank generously offers.

🛡️

Marcus & Tanya

Their car transmission fails — $3,800 repair. Without an emergency fund, this goes on a credit card at 24% APR.

$3,800

Repair Cost

$912

CC Interest/yr

$18,000

E-Fund Balance

Absorbed

Impact

💡

With an emergency fund: a $3,800 inconvenience. Without: a $3,800 debt spiral at 24% APR.

See it live: Accounts page — liquid vs non-liquid breakdown shows emergency fund coverage.

OCF measures how your net cash position changes over time from actual income and spending — transfers and one-time events removed. It's the signal underneath all the noise.

Promi tracks OCF over 30, 90, and 180 days. A 30-day dip after the holidays? Normal. All three horizons declining? That's a pattern, and it's worth an honest conversation with your spending habits.

Think of it like a company's operating cash flow: it shows whether the "business of your life" is running a surplus or a deficit. One is sustainable. The other has an expiration date.

📉

Jordan's OCF across 3 horizons

Short-term dip from holiday spending, but longer trends are positive — exactly the pattern you want to see.

-$800

30-Day OCF

+$2,400

90-Day OCF

+$6,100

180-Day OCF

💡

One bad month doesn't define your trajectory. Multi-horizon OCF separates noise from signal.

See it live: Cash Flow page — OCF trend across three time horizons.

Sankey diagrams use width-proportional flows to show money moving from sources (income) to destinations (categories). Wider stream = more money. It's impossible to lie to yourself when you're looking at a Sankey.

Unlike pie charts (which are basically useless), Sankeys reveal the journey: income splits into taxes, rent, food, fun, and savings — with the width of each river telling the relative size. Thick savings flow? Good. Thick dining-out flow? Uh oh.

They're the fastest way to spot imbalances. If the "subscriptions" stream looks almost as wide as "savings," you don't need a financial advisor — you need to cancel some apps.

🌊

A $7,500/mo income, visualized

The Sankey breaks income into flows. Wider = more money. See where every dollar actually goes.

$1,875

Taxes

$2,100

Housing

$2,025

Living

$1,500

Savings

💡

A Sankey makes the invisible visible — you'll never unsee where your money actually flows.

See it live: Cash Flow page — interactive Sankey diagram showing where your money flows.
👥

Financial Profile & Comparisons

How you compare to similar households — demographic matching, percentile rankings, and the benchmarks that give your numbers context.

Your peer cohort comes from the Federal Reserve's Survey of Consumer Finances (SCF) — real data on real American households. Not Instagram, not Reddit, not your college roommate who claims to make $400k.

Promi matches you by age, income, education, occupation, household size, and location. Because comparing your $80k salary in Omaha to someone making $200k in Manhattan isn't useful — it's just depressing.

Peer comparisons provide context, not judgment. Being "below average" in net worth but "above average" in savings rate means you're building fast from a late start. The numbers tell a story; you decide the plot.

👥

Your peer cohort: 32–38, $90–$120k income, metro area

Promi matches you to ~2,400 similar households from the Federal Reserve's Survey of Consumer Finances.

$68k

Median Net Worth

8%

Median Savings Rate

$95k

Your Net Worth

18%

Your Savings Rate

💡

Context turns abstract numbers into meaningful signals. $95k net worth at 35 means nothing alone — it means a lot vs. your peers.

See it live: Financial Profile page — peer positioning across income, assets, debt, and net worth.

Percentiles range from 0 to 100. The 50th is the median — smack in the middle of your peer group. Above 50 means ahead of most. Below means you have room to grow. Simple.

Promi shows percentiles for income, assets, debt, and net worth. Top quartile (75th+) means you're materially ahead. Bottom quartile is common early in careers or after big life changes — it's a snapshot, not a sentence.

Here's what matters: your percentile today tells you where you are. Your percentile trend tells you where you're going. Both are useful, but only one predicts the future.

Net Worth Percentile Among Peers

You: 68th

25th

50th

75th

90th+

See it live: Financial Profile page — percentile markers on peer comparison charts.

$150k in Manhattan means a shared apartment. $150k in rural Ohio means a house with a yard. Cost-of-living adjustments normalize these differences so your benchmarks actually make sense.

Promi uses your location to adjust peer comparisons. Without it, you'd be compared to national averages — which is like using the average temperature on Earth to decide what to wear.

Setting your location in your profile matters more than you think. It's the difference between "you're behind" and "you're doing great for someone paying San Francisco rent."

🏙️

Same salary, different realities

$120k household income in two cities. COL adjustment reveals very different financial positions.

$82k

SF Adjusted

$3,200

SF Rent

$130k

Austin Adjusted

$1,600

Austin Rent

💡

$120k in Austin buys what $175k buys in SF. Location is the ultimate hidden variable in personal finance.

See it live: Financial Profile page — COL-adjusted peer bands based on your location.

Zooming out from month-to-month noise reveals the actual trajectory. Are raises keeping up with inflation? Is net worth actually building? Is lifestyle inflation quietly eating your progress? YoY data answers all of this.

Key YoY metrics: income growth (real or just inflation?), net worth progression (building or treading water?), and expense trends (is the lifestyle creeping up?). Each one tells a different chapter of the same story.

This data gets richer the longer you use Promi. After 12+ months, structural patterns emerge that monthly views miss entirely. Patience is a feature, not a bug.

📆

Anika's 3-Year Trajectory

Monthly views looked chaotic. Year-over-year told a clear story of consistent progress.

$42k

2023 Net Worth

$78k

2024 Net Worth

$115k

2025 Net Worth

+$36k/yr

YoY Growth

💡

Monthly net worth bounced wildly. The yearly trendline? Straight up. Zoom out to see the real story.

See it live: Financial Profile page — multi-year trend analysis in the Year-over-Year section.

You earn more, so you spend more. The apartment gets nicer. The car gets newer. The restaurants get fancier. Before you know it, you're making twice what you made five years ago and saving the exact same amount. That's lifestyle inflation.

It's not always bad — upgrading from a shared apartment to your own place genuinely improves life. The problem is when every raise gets absorbed by nicer stuff, leaving zero for wealth building.

The antidote: when income goes up, route at least half the increase to savings before your lifestyle has a chance to notice. Pay your future self first. Your present self will adapt faster than you think.

💸

Jake, 30 — gets a $15k raise

Income went from $85k to $100k. Two possible outcomes depending on what he does next.

+$15k

Raise

+$12k

Spending Rise

+$3k

Savings Rise

80%

Absorbed

💡

Jake absorbed 80% of his raise into spending. If he'd saved half first, he'd have $7,500 more per year compounding.

🔥

FIRE & Financial Independence

The movement, the math, and the many flavors of financial independence — from Lean to Fat and everything between.

FIRE isn't about hating your job (though it doesn't hurt). It's about reaching a point where you have options. Work because you want to, not because the rent is due.

The core math: save 25× your annual expenses. Spend $40k/year? Your number is $1M. Spend $80k? You need $2M. The formula doesn't care about your income — it only cares about the gap between what you earn and what you spend.

At a 50% savings rate, you can reach FI in about 17 years. At 75%, about 7. The math is almost entirely about spending control. A high income helps, but a low burn rate is the real cheat code.

Savings Rate → Years to FIRE

Savings RateYears to FI
10%~51 years
25%~32 years
50%~17 years
75%~7 years
Assuming 5% real returns, starting from $0
See it live: Investing page — FIRE tab with full FI calculator and projection modeling.

The formula most people use: Annual Expenses × 25. This comes from the 4% rule — withdraw 4% per year and the portfolio historically survives 30+ years. Simple enough to calculate on a napkin.

Your FI number is personal. It depends on what you spend, where you live, your healthcare situation, whether you have kids, and how much buffer makes you sleep well. Two people with the same income can have wildly different FI numbers.

FI isn't binary. "Partial FI" — investments covering 50–80% of expenses — still changes your life dramatically. You could take a pay cut for better work, go part-time, or survive a layoff without panic.

🎯

The Chen Family — calculating their FI number

Annual expenses of $65k. Using the 25× rule, here's what they're building toward.

$65k

Annual Spend

$1.625M

FI Number

$480k

Current Portfolio

30%

Progress

💡

At 30% FI, their investments already cover ~$19k/year of expenses. Each percentage point of progress reduces financial pressure.

Based on the Trinity Study (1998), which backtested every 30-year period since 1925. A 4% initial withdrawal, adjusted for inflation, survived 95%+ of all historical scenarios. Not guaranteed, but the odds are pretty good.

It assumes a 50/50 to 75/25 stock/bond portfolio. Conservative planners use 3.5%. Aggressive ones use 4.5%. The "right" rate depends on how willing you are to tighten your belt if markets tank early.

Promi uses Monte Carlo simulations — thousands of random market scenarios — for a more nuanced take than a single withdrawal percentage. Because your retirement shouldn't depend on one number from a 1998 paper.

$1,000,000 Portfolio at 4% Withdrawal

YearAnnual Withdrawal
Year 1$40,000
Year 2$41,200 (adjusted for 3% inflation)
Year 10$52,200
Year 30$97,000
Historical success rate: ~95% over 30 years
See it live: Investing page — retirement projections with customizable withdrawal rates.

Lean FIRE means FI with intentionally low spending, typically under $40k/year. The FI number is smaller (under $1M), making it faster to reach — but it requires permanent frugality, not just a temporary phase.

Works beautifully for: low-cost areas, single or childfree households, and people who genuinely enjoy living simply. Works terribly for: people who call it "temporary sacrifice" and plan to upgrade later.

The trade-off is real: faster freedom, thinner margin. A medical emergency or housing surprise on a $28k/year budget hurts proportionally more than on $80k.

🏕️

Marco, 38 — Lean FIRE in rural Vermont

Spends $28k/year in a paid-off cabin. His FI number is just $700k — and he's already there.

$28k

Annual Spend

$700k

FI Number

$720k

Portfolio

$2,333

Monthly Budget

💡

Lean FIRE works when you genuinely enjoy living simply. Marco hikes, gardens, and freelances occasionally — by choice, not necessity.

Fat FIRE means FI without lifestyle compromise. No coupons, no downsizing, no "we'll skip the trip this year." You maintain or exceed your current lifestyle entirely from investments.

FI numbers start at $2.5M (for $100k/year spending) and go way up from there. This typically requires high income, years of disciplined saving, or a liquidity event. It's the slow road, but a very comfortable one.

The upside: buffer for anything — healthcare surprises, generosity, travel, supporting family. Fat FIRE means never doing mental math at a restaurant. That's a specific kind of freedom.

✈️

The Patels — Fat FIRE at 52

Dual-income tech couple. $150k/yr lifestyle including travel, private school, and charitable giving.

$150k

Annual Spend

$3.75M

FI Number

$4.1M

Portfolio

3.7%

Withdrawal Rate

💡

Fat FIRE means never worrying about the restaurant bill, the flight upgrade, or the unexpected medical expense.

Named after Starbucks (which offers health insurance to part-time employees), Barista FIRE means your investments handle the heavy lifting while a low-stress gig covers the gap and provides benefits.

This dramatically reduces the FI number. Portfolio covers $30k of your $50k expenses? You just need a part-time gig for $20k — and you get healthcare without COBRA prices. Pretty good deal.

Psychologically, it's often better than full retirement: you get structure, social interaction, and spending money — without career pressure, performance reviews, or Sunday-night dread.

Diana, 42 — left corporate, works part-time at a bookstore

Portfolio covers 60% of expenses. Part-time work covers the rest and provides health insurance.

$30k/yr

Portfolio Income

$22k/yr

Part-Time Job

$52k/yr

Total

$50k/yr

Expenses

💡

Diana works 25 hours/week at a job she loves. No Sunday-night dread. Healthcare covered. Portfolio keeps growing.

At Coast FIRE, your existing investments will grow to your FI number by your target retirement age, even if you stop contributing entirely. The compounding machine is running; you just have to not break it.

Example: a 30-year-old with $250k at 7% real returns will have ~$1.9M by age 60 — without adding a cent. They've essentially pre-funded retirement and can stop worrying about maximizing savings.

This opens doors nothing else can: switch to lower-paying but meaningful work, take sabbaticals, go part-time. When you don't need to save more, income becomes about lifestyle, not survival.

$250k at Age 30, 7% Real Return

AgePortfolio Value
Age 30$250,000 (stop contributing)
Age 40$491,000 (compounding only)
Age 50$966,000 (compounding only)
Age 60$1,900,000 (compounding only)
No additional savings required
See it live: Investing page — FIRE calculator supports Coast FIRE projections.

Two portfolios can have identical average returns over 30 years but wildly different outcomes. The secret? Order matters. Bad years early (while you're withdrawing) is devastating. Bad years late is survivable.

A crash in year 1 of retirement is catastrophically different from the same crash in year 20. Early losses plus withdrawals create a death spiral the portfolio never recovers from. This is the hidden boss fight of retirement planning.

Defenses: keep 2–3 years of cash so you don't sell stocks during a crash, cut spending in bad years, hold some bonds for stability. Basically: have a Plan B for the first decade.

Good Sequence (gains early)

  • +20%, +15%, +10%, −5%, −10%
  • Gains early build a cushion
  • Portfolio survives

Same 7% average return

Bad Sequence (losses early)

  • −10%, −5%, +10%, +15%, +20%
  • Losses early + withdrawals
  • Portfolio depleted

Same 7% average return

See it live: Investing page — Monte Carlo simulations model thousands of return sequences.

Instead of assuming a smooth 7% return every year (which literally never happens), Monte Carlo throws thousands of random return sequences at your plan and counts how many times you don't go broke.

The result: a probability. "Your plan works in 87% of 10,000 scenarios." Way more honest than a single projection line that pretends the market returns exactly 7% every year like clockwork.

Promi runs this on your actual portfolio and spending data, showing everything from worst-case to best-case. Because "it'll probably be fine" is not a retirement strategy.

Your Retirement Plan Success Rate

87%

Risky (< 70%)

Caution (70–85%)

Solid (85–95%)

Strong (95%+)

See it live: Investing page — retirement tab runs Monte Carlo on your real data.
🏛️

Retirement Accounts

Tax-advantaged vehicles that supercharge wealth building — the alphabet soup of 401(k)s, IRAs, and more.

Traditional 401(k): contributions are pre-tax (your taxable income drops), investments grow tax-deferred, you pay tax when you withdraw in retirement. It's a deal with the IRS: less tax now, more tax later.

2025 limits: $23,500 under age 50, $31,000 for 50+. If your employer matches contributions — even 50 cents on the dollar — contribute at least enough to get the full match. That's an instant 50–100% return. You will never beat that.

Withdraw before 59½ and the IRS hits you with a 10% penalty plus income tax. A few exceptions exist, but they're designed to be annoying enough that you don't use them.

401(k) Mechanics

1

Paycheck: $5,000

Your gross pay

2

$1,000 to 401(k) (pre-tax)

Taxable income reduced

3

$500 employer match

Free money

4

$1,500/mo invested

Total going to your future

5

~$250/mo tax saved

At 25% marginal rate

See it live: Accounts & Investing pages — 401(k) balances tracked in real time.

Common setup: employer matches 50% of your contributions up to 6% of salary. On a $100k salary, that's $3,000/year they hand you for doing something you should be doing anyway.

Not maxing the match is the financial equivalent of leaving a tip on the table — except the tip is thousands of dollars and it's yours. It's the one piece of financial advice that is unconditionally, universally correct.

Watch for vesting schedules (2–6 years). Leave before fully vested and you forfeit some or all of the match. The free money comes with invisible handcuffs — golden ones, but still.

🎁

Don't leave free money on the table

$95k salary, employer matches 50% of contributions up to 6%. Here's what happens if you contribute 6% vs only 3%.

$5,700

Your 6%

$2,850

Match (full)

$2,850

Your 3%

$1,425

Match (partial)

💡

Contributing 3% instead of 6% leaves $1,425/year — free money — on the table. Over 30 years at 7%, that's ~$142k lost.

Traditional IRA: deduct contributions now, pay tax later on withdrawal. Roth IRA: no deduction now, but everything — growth included — comes out tax-free in retirement. The classic "pay now or pay later" dilemma.

2025 limits: $7,000 (under 50), $8,000 (50+). Much lower than a 401(k), but you pick any brokerage and any funds you want. Freedom has its perks, even if the limits are smaller.

Roth IRA has income limits for direct contributions ($161k single, $240k married). Make more than that? You'll need the Backdoor Roth — which sounds illegal but is completely legit.

Traditional IRA

  • Contribute pre-tax
  • Tax deduction NOW
  • Grows tax-deferred
  • Taxed on withdrawal
  • RMDs at age 73

Better if lower tax rate later

Roth IRA

  • Contribute after-tax
  • No deduction now
  • Grows TAX-FREE
  • Withdrawals TAX-FREE
  • No RMDs ever

Better if higher tax rate later

You contribute after-tax money — no deduction today. But everything inside the Roth is tax-free. Forever. That $7k contribution that grows to $100k over 30 years? $0 tax on the $93k gain. Zero.

Two superpowers most people don't know about: (1) no Required Minimum Distributions — your money can compound indefinitely, and (2) you can pull out contributions (not gains) anytime, penalty-free. It's a savings account that moonlights as a retirement powerhouse.

Best for: young people in lower tax brackets, anyone who thinks tax rates will rise (which is... probably most people), and everyone who likes the idea of "tax-free" as a permanent state of being.

🌱

$7k/year for 30 years in a Roth IRA

You contribute $7k/year after tax. It grows to $660k — and every dollar comes out tax-free in retirement.

$210k

Total Contributed

$450k

Growth

$660k

Total at 60

$0

Tax on $450k gain

💡

In a Traditional IRA, you'd owe ~$100k+ in taxes on that $450k. Roth: $0. That's the power of tax-free growth.

The move: contribute to a Traditional IRA (no income limit for non-deductible contributions), then immediately convert to Roth. Since you contributed after-tax money, the tax on conversion is minimal. It's a two-step dance that saves you thousands.

The "pro-rata rule" is the buzzkill: if you have existing pre-tax IRA money, the conversion gets partially taxed. The cleanest Backdoor Roth starts with a $0 Traditional IRA balance. Empty the room before you renovate.

Mega Backdoor Roth goes further: after-tax 401(k) contributions above the normal limit, converted to Roth. This can push total retirement savings to $69,000+/year (2025). It's the final boss of tax-advantaged saving.

Backdoor Roth: 3 Simple Steps

1

Contribute $7k to Traditional IRA

Non-deductible (after-tax money)

2

Convert immediately to Roth IRA

Same-day or next-day conversion

3

$0 Traditional IRA balance = minimal tax

Pro-rata rule avoided

You pay income tax on the converted amount this year. The bet: today's tax rate is lower than tomorrow's. If you're right, you save money. If you're wrong, you paid a little extra tax for the privilege of never thinking about it again.

Most powerful in low-income years: sabbaticals, early retirement gaps, or years with big deductions. The lower your income, the less the conversion costs. Time it right and you convert at 12% instead of 24%.

The Roth conversion ladder is a FIRE strategy: convert a set amount each year during early retirement, wait 5 years per conversion, then access the money tax-free. A financial assembly line you set up for your future self.

Roth Conversion Ladder

1

Year 1: Convert $50k

Low tax bracket — accessible Year 6

2

Year 2: Convert $50k

Accessible Year 7

3

Year 3: Convert $50k

Accessible Year 8

4

Years 1–5: Live off taxable

Bridge the 5-year waiting period

The HSA is the only account with triple tax benefits: contributions reduce your taxable income, investments grow tax-free, and medical withdrawals are tax-free. Every other account gets two at best. The HSA gets all three. It's overpowered and Congress hasn't nerfed it yet.

2025 limits: $4,300 individual, $8,550 family. Requires a high-deductible health plan. After 65, non-medical withdrawals are taxed as income (like a Traditional IRA) but no penalty — so it literally becomes a backup retirement account.

The power move that financial nerds love: pay medical expenses out of pocket, invest your HSA in index funds, save every receipt, and reimburse yourself decades later. All the growth is tax-free. It's technically medical, it's effectively a supercharged Roth.

🏆

The Triple Tax Advantage

  • Tax deduction on contributions
  • Tax-free investment growth
  • Tax-free withdrawals for medical expenses
  • After 65: works like a Traditional IRA for non-medical

403(b): for employees of schools, hospitals, nonprofits, and churches. Same limits as a 401(k). Often has more limited fund choices — like a 401(k) shopping at a smaller store.

457(b): for state and local government workers. The secret superpower? No 10% early withdrawal penalty before 59½ if you leave the employer. This makes it absurdly valuable for anyone planning to retire early.

If you have access to both, you can max each: $23,500 + $23,500 = $47,000/year in tax-advantaged space. Most people don't realize this. Now you do.

🏫

Ms. Rivera — public school teacher with both plans

Has access to 403(b) AND 457(b). Uses both to turbocharge tax-advantaged savings.

$23,500

403(b) Max

$23,500

457(b) Max

$47,000

Total Tax-Adv

No penalty

457 Early W/D

💡

The 457(b) has no early withdrawal penalty if you leave the employer — a huge advantage for early retirees.

Contributions grow tax-free, qualified withdrawals (tuition, books, room and board) are tax-free, and many states give you a tax deduction for contributing. It's like the IRS actively wants you to send your kid to college.

Got leftover funds? Since 2024, you can roll up to $35k into a Roth IRA. Kid gets a scholarship? The money isn't trapped. This single rule change made 529s dramatically less risky to overfund.

Non-qualified withdrawals get hit with taxes plus a 10% penalty on earnings. But between the Roth rollover and the ability to change beneficiaries, the escape routes are better than ever.

🎓

The Lees open a 529 for newborn Ethan

Contributing $300/month from birth. By age 18, the 529 covers most of a 4-year state university.

$300

Monthly

$64,800

18 Years

$67,200

Growth (7%)

$132k

Total

💡

All $67k of growth is tax-free when used for tuition. If Ethan gets a scholarship, unused funds can roll into a Roth IRA.

The IRS gave you tax breaks for decades on that 401(k) and Traditional IRA. Now they want their cut. Starting at 73, you must withdraw a minimum amount each year. No exceptions, no extensions.

RMDs increase with age: ~3.8% at 73, ~5.3% at 80. Miss one and the penalty is 25% of what you should have withdrawn. That's not a typo. Twenty-five percent. The IRS does not play around with RMDs.

Roth IRAs have no RMDs — ever. This alone is one of the strongest arguments for Roth conversions before 73. Convert when it's cheap, and never be forced to withdraw on someone else's schedule.

📊

Helen, 73 — first year of RMDs

Traditional IRA balance of $800k. The IRS says she must withdraw at least $30,400 this year — and pay income tax on it.

$800k

IRA Balance

$30,400

RMD (3.8%)

$6,688

Tax at 22%

$7,600

Penalty if Missed

💡

Miss an RMD and the penalty is 25% of the amount you should have withdrawn. Roth conversions earlier could have reduced this.

Pre-tax accounts (Traditional 401(k)/IRA): deduction today, taxed tomorrow. Best if you expect lower income in retirement — which is most people, but not everyone.

After-tax accounts (Roth 401(k)/IRA): no deduction today, tax-free tomorrow. Best if you think tax rates are going up — which, given government spending trends, isn't exactly a wild bet.

The priority most planners agree on: (1) 401(k) up to the match (free money), (2) HSA max (triple tax benefit), (3) Roth IRA max (tax-free growth), (4) 401(k) to annual max (tax-deferred), (5) taxable brokerage (no limits, no tax advantages). Fill the good stuff first.

Recommended Contribution Order

1

401(k) up to employer match

Free money

2

HSA max

Triple tax benefit

3

Roth IRA max

Tax-free growth

4

401(k) to annual max

Tax-deferred

5

Taxable brokerage

No limits, flexible

📋

Tax Planning

Understanding how taxes work — brackets, deductions, and strategies to keep more of what you earn.

AGI = gross income (salary, investments, side hustles) minus "above-the-line" deductions: 401(k), HSA, student loan interest, IRA contributions. It's gross income with a strategic haircut.

AGI is the key that unlocks (or locks) tax credits, Roth IRA eligibility, education credits, and more. Lower your AGI and doors open. Let it climb and they close. It's the most important number on your tax return and most people don't even know what it is.

Modified AGI (MAGI) adds a few deductions back and is used for Roth income limits and Medicare surcharges. It's like AGI's slightly meaner sibling.

🧮

Sam, 34 — AGI makes or breaks Roth eligibility

Earns $155k gross. After 401(k) and HSA contributions, his AGI drops below the Roth IRA income limit.

$155k

Gross Income

-$23.5k

401(k) Deduction

-$4.3k

HSA Deduction

$127.2k

AGI

💡

Without those deductions, his AGI would be $155k — too high for direct Roth IRA contributions. AGI is the gateway number.

The U.S. uses progressive taxation: the first ~$11k is taxed at 10%, the next ~$34k at 12%, and so on up to 37%. Each bracket only taxes the dollars within that range — your whole income doesn't jump to the higher rate.

The biggest misconception in America: "If I earn more, the higher bracket will make me keep less." No. Absolutely not. Only dollars in each new bracket face that rate. A raise never, ever makes you poorer. If anyone tells you otherwise, they don't understand taxes.

Your marginal rate (the bracket your last dollar falls in) is different from your effective rate (total tax ÷ total income). The effective rate is what you actually pay — and it's always lower than the marginal rate. Usually by a lot.

2025 Federal Tax Brackets (Single Filer)

Income RangeRate
$0–$11,92510%
$11,926–$48,47512%
$48,476–$103,35022%
$103,351–$197,30024%
$197,301–$250,52532%
$250,526–$609,35035%
$609,351+37%
Each bracket only taxes income IN that range

Formula: Total Tax Paid ÷ Total Income × 100. Earn $100k, pay $18k in federal tax? Your effective rate is 18% — even though your marginal bracket is 24%. Progressive taxation is kinder than it sounds.

This is the number that matters for planning. It's the real-world tax burden — what actually left your pocket. The marginal rate is a ceiling; the effective rate is the floor you're actually standing on.

Most Americans' effective federal rate falls between 12–20%. Add state tax and FICA, and total effective rates land around 25–35%. High? Depends who you ask. But at least now you know the real number.

Effective Federal Tax Rate

Most: 15–18%

Low (< 12%)

Avg (12–20%)

Above Avg (20–28%)

High (28%+)

Sell an investment at a $10k loss and another at a $10k gain: net taxable gain = $0. If losses exceed gains, deduct up to $3,000/year against ordinary income and carry the rest forward. Your bad investments finally did something useful.

The wash-sale rule says you can't buy the "substantially identical" security within 30 days. Workaround: sell VTI (total US market), buy ITOT (also total US market, different fund). Same exposure, legal harvest. It's like changing outfits, not leaving the party.

Only works in taxable brokerage accounts — 401(k)s and IRAs don't have taxable gains on individual trades. December is harvest season for tax-savvy investors.

✂️

December tax-loss harvest

Portfolio has a $12k gain in one fund and a $10k loss in another. Harvesting the loss nearly wipes out the tax bill.

+$12k

Gain (Fund A)

-$10k

Loss (Fund B)

$2k

Net Taxable

~$2,250

Tax Saved

💡

Sell Fund B, buy a similar-but-not-identical fund the same day. Same portfolio exposure, $2,250 less in taxes.

SALT lets you deduct state income tax, local tax, and property tax from your federal taxable income. Before 2017, this was unlimited. Then the $10,000 cap arrived, and high-tax state residents have been writing angry letters ever since.

If you live in California, New York, or New Jersey, your state income tax alone might exceed $10k — meaning you lose deductions. Living in Texas or Florida? No state income tax, so the cap probably doesn't affect you. Geography strikes again.

The cap is scheduled to expire or change after 2025. Worth watching if you're in a high-tax state — the difference between capped and uncapped SALT can be tens of thousands of dollars.

🏘️

Two families, $200k income — different states

Same income, different SALT impact. The cap hurts high-tax states disproportionately.

$16k

CA State Tax

$10k

CA SALT Cap

$0

TX State Tax

None

TX Impact

💡

The CA family loses $6k in deductions to the SALT cap. The TX family has no state income tax to deduct. Location matters.

At minimum: a will (who gets what), power of attorney (who makes decisions if you can't), and healthcare directive (your medical wishes). Not having these is like leaving your family a puzzle with missing pieces — during the worst week of their lives.

The federal estate tax only kicks in above ~$13.6M per person (2025). Below that? Zero federal estate tax. So unless you're reading this from a yacht, estate planning isn't about taxes — it's about avoiding chaos.

Trusts aren't just for the wealthy. A basic revocable living trust avoids probate (slow, public, expensive), controls distribution, and keeps your family out of court. It's a $2,000 document that can save $20,000 in headaches.

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Estate Planning Minimum Checklist

  • Will — who gets what
  • Power of Attorney — who makes financial decisions if you can't
  • Healthcare Directive — medical wishes documented
  • Beneficiary designations — updated on all accounts
  • Revocable trust — avoids probate, controls distribution

Fiduciary duty is the highest legal standard: they must put your interests above their own, disclose all conflicts, and recommend the genuinely best option — not just one that's "acceptable" and happens to pay them a fat commission.

Non-fiduciary advisors (broker-dealers) only need to meet "suitability" — they can sell you a high-fee fund over a low-fee one if it's technically "suitable." The difference sounds subtle but can cost you tens of thousands over a career.

How to filter: look for "fee-only" (not "fee-based" — yes, the wording matters), CFP designation, or RIA status. And just ask: "Are you a fiduciary at all times?" If they hesitate, you have your answer.

Fiduciary (Fee-Only)

  • Legally must act in YOUR interest
  • No commissions
  • Discloses all conflicts
  • CFP / RIA designation

Ask: "Are you a fiduciary at all times?"

Broker-Dealer (Suitability)

  • Only needs to be "suitable"
  • Earns commissions on sales
  • May recommend higher-fee products
  • Series 7 license

May prioritize their income over yours

🏖️

Retirement Planning

Planning for the longest vacation of your life — income sources, withdrawal strategies, and the systems that support retirement.

Benefits are based on your highest 35 years of earnings. Average monthly: ~$1,900 (2025). Maximum at full retirement age (67): ~$3,800/month. Not enough to retire on alone, but a solid foundation.

Claim as early as 62 (with a ~30% permanent reduction) or delay until 70 (with ~24% more). Every year past 67, benefits grow 8% — guaranteed. In a world of uncertain returns, 8% guaranteed is shockingly good.

Social Security replaces roughly 40% of pre-retirement income. It was designed as a floor, not a ceiling. If it's your only plan, the floor is pretty hard to live on.

Social Security Claiming Age Impact

Claiming AgeMonthly Benefit
Age 62$1,330/mo (30% reduction)
Age 65$1,710/mo (13% reduction)
Age 67$1,900/mo (full benefit)
Age 70$2,356/mo (24% increase)
Break-even: ~age 80. Live longer = delay pays.
See it live: Investing page — retirement projections can include Social Security assumptions.

Pension formula: years of service × multiplier × final average salary. 30 years × 1.5% × $80k = $36k/year for life. No market risk, no rebalancing, no checking your portfolio at 2 AM.

Private-sector pensions are nearly extinct. Government, military, education, and some unions still offer them. If you have one, congratulations — you own the rarest asset in modern retirement planning.

The risk nobody talks about: your entire retirement income depends on one organization staying solvent. Companies go bankrupt. Cities go bankrupt. Pensions can be reduced. It's guaranteed income — unless it isn't.

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Officer Davis — 30 years in the police force

Retires at 55 with a defined benefit pension. Monthly check comes rain or shine, regardless of markets.

30

Years of Service

1.5%

Multiplier

$92k

Final Salary

$41,400

Annual Pension

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30 × 1.5% × $92k = $41,400/year for life. No market risk, no withdrawal decisions — but 100% dependent on the pension fund's solvency.

The classic guideline is 4%, but the right rate depends on market conditions, your age, and how flexible you're willing to be. It's the number where you enjoy today without sabotaging tomorrow.

Dynamic strategies beat fixed ones: take more in good years, less in bad. This dramatically improves portfolio survival compared to mechanically pulling the same percentage regardless of what the market did.

The guardrails approach: never withdraw more than 5%, never less than 3.5%. Wide enough to live well, narrow enough to avoid driving off a cliff.

Annual Withdrawal Rate

4% Rule

Conservative (< 3%)

Sweet Spot (3–4%)

Moderate (4–5%)

Risky (> 5%)

Bucket 1 (years 1–2): cash and money market. This is what you spend from. No market risk, no drama. Bucket 2 (years 3–7): bonds and stable stuff. Refills Bucket 1. Bucket 3 (years 8+): stocks for growth. Refills Bucket 2.

The psychological benefit is the whole point: when stocks crash 30%, you don't panic — because you know your next two years of living expenses are sitting safe in cash. You ride it out without selling a single share at the bottom.

Periodically, gains from Bucket 3 flow down to refill Buckets 1 and 2 — like a waterfall of returns cascading from growth to safety. It's the most intuitive retirement withdrawal system that exists.

Bucket 1 (Years 1–2)

  • Cash & money market
  • $80k
  • Spend from here

Safe — immediate needs

Bucket 2 (Years 3–7)

  • Bonds & stable
  • $200k
  • Refills Bucket 1

Medium-term stability

Bucket 3 (Years 8+)

  • Stocks & growth
  • $720k
  • Refills Bucket 2

Long-term growth engine

The 60s ("Go-Go years"): travel, hobbies, restaurants, checking things off the list. You're active, energetic, and making up for decades of commuting. Spending peaks here.

The 70s ("Slow-Go years"): activity naturally decreases. Less travel, more routine. Spending drops 20–30%. This is the dip in the smile — quieter, cheaper, and often deeply satisfying.

The 80s–90s ("No-Go years"): healthcare costs surge. Medical bills, long-term care, assisted living. Spending rises again — but for things nobody looks forward to buying. This is what the reserves are for.

Retirement Spending Pattern

60s "Go-Go" yearsTravel, hobbies, dining
70s "Slow-Go" yearsRoutine, less activity
80s TransitionActivity winds down
90s "No-Go" yearsHealthcare costs surge

Earn in San Francisco, retire in Lisbon. Build wealth in NYC, spend it in Asheville. The concept is simple: a dollar earned in a high-cost area buys two or three dollars of lifestyle in a low-cost one.

Domestic version: Texas, Florida, and Nevada have no state income tax. Moving from California to Austin alone can save $10,000+/year. That's not a budget cut — it's a free raise.

International version: Portugal, Mexico, Colombia, and Thailand offer dramatically lower costs with high quality of life. $1M feels "tight" in Manhattan but "generous" for 30+ years in half the world. The FIRE community figured this out years ago.

🌍

The Johnsons — NYC to Lisbon

Same quality of life, dramatically different cost. Their $1.2M portfolio went from "tight" to "generous."

$8,500

NYC Monthly

$3,200

Lisbon Monthly

12 years

NYC Runway

31 years

Lisbon Runway

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Same portfolio, same lifestyle quality. Geoarbitrage nearly tripled their runway. Location is the biggest lever in retirement math.

See these concepts in action

Every term in this glossary is a real metric inside Promi. Explore the interactive demo to see your own numbers.

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