MONEY DECODED
A field guide to your money

Understand your money,
one tab at a time.

Budgeting, accounts, credit, investing, taxes, and the jargon that comes with all of it — organized into tabs so you can jump to whatever's actually useful right now.

Which account should I use?

A couple of quick questions, then we'll point you straight to the right card on the Accounts tab.

Get a simple starting point

Answer a few quick questions and we'll show one simple example of how you could split your money — not personalized advice, just an easy way to see the shape of a plan.

Money Decoded is an independent educational site, not affiliated with, endorsed by, or acting on behalf of any bank or financial company. Your answers here are used only to generate the example on this page — nothing is sent anywhere or shared with any company.

Start with a budget

Before any of these accounts matter, you need a rough plan for your take-home pay. The 50/30/20 rule is a simple starting split — not a rule to follow exactly, just a way to see where money should generally go.

Needs — 50%
Wants — 30%
Savings & extra debt — 20%

Based on take-home pay, not your salary before taxes. Tap a category below for examples.

Where you live changes this a lot. In a high cost-of-living city, "needs" can easily eat 60-70% instead of 50% — that's the cost of living, not a budgeting failure. Living situation matters just as much: living at home or splitting rent with roommates can free up a large chunk of income for savings, while paying rent solo — especially early in your career, before your income has caught up — often pushes needs well past that 50% starting point. Adjust the split to your actual numbers rather than forcing it.
Before you invest

Build an emergency fund first

Money set aside for the unexpected — a layoff, a medical bill, a car repair — so a bad month doesn't force you into debt or into selling investments at a bad time. This usually comes before investing, not after.

Where should it actually sit? This is exactly the job of an HYSA, over on the Accounts tab — easy to access within a day or two, FDIC insured, and it earns real interest without being exposed to the market dropping right when you need the money most. Checking earns nothing; a brokerage account could be down when you need it.

Where does my money actually go?

Every account here does one of four jobs: let you spend, keep you safe, grow your money, or grow it with a tax deal attached. Tap a card to see what it's really for.

You'll likely have several of these open at once — that's normal, not overkill. A common setup is a checking account, an HYSA for your emergency fund, a 401(k) through work, and a Roth IRA or brokerage account on the side, all running at the same time. Each one is just doing a different job with a different slice of your money.
Today Retirement, decades out →

Credit cards work differently

Every account on the Accounts tab holds money that's yours. A credit card is the opposite — it's a line of credit you borrow against, then pay back. It doesn't fit on a savings-to-retirement timeline because it isn't about growing money at all.

What actually matters

What makes up a credit score

Your score isn't one mysterious number — it's five factors, weighted very unevenly. Two of them (payment history and utilization) account for nearly two-thirds of it.

Payment history — 35%
Utilization — 30%
Length — 15%
Credit mix — 10%
New credit — 10%

Approximate FICO-model weighting — the exact formula varies slightly by scoring model, but this ordering holds broadly across all of them.

If a balance builds up

Debt payoff calculator

Two common strategies for paying off multiple debts: avalanche (highest interest rate first — mathematically the cheapest) and snowball (smallest balance first — often easier to stick with). Enter up to three debts and see both side by side.

Avalanche (highest APR first)

Enter at least one debt above to see results.

Snowball (smallest balance first)

Enter at least one debt above to see results.

This assumes a minimum payment of 2% of each balance (or $25, whichever is greater) and applies your extra payment to one debt at a time, rolling freed-up minimums into the next. It's a simplified illustration, not a payoff guarantee — actual card terms vary.

What are you actually buying?

"Brokerage," "401(k)," and "Roth IRA" are just containers. What's inside them — stocks, bonds, funds — is what actually determines your risk and your return. Any of these can live inside almost any account on the Accounts tab.

Time is the ingredient

How compound growth works

Investment growth doesn't just come from what you put in — it comes from earning returns on your past returns too, so the growth snowballs the longer it's left alone. That's why starting early matters more than starting big.

$150k $75k $0 Year 0 Year 10 Year 20 Year 30
What you put in ($200/mo)
Total value, growing

This example assumes $200 a month at an average 7% annual return — a common illustrative figure, not a promise. By year 30, you'd have contributed about $72,000 — but the account would hold roughly $227,000. That extra $155,000 didn't come from you. It came from growth earning more growth. Actual returns vary and are never guaranteed.

Try it

Compound interest calculator

Plug in your own numbers and watch the chart above update.

Two different things

Risk vs. volatility

People use these words interchangeably, but they're not the same. Volatility is how much a price bounces around in the short term. Risk is the chance you don't have the money you actually need, when you need it — and sometimes the "safer-feeling" option is the riskier one.

Today 30 years
Stocks — volatile, trends up
Cash / HYSA — stable, barely moves
Cost of living (inflation)

Cash feels safer day to day because the balance never drops. But zoom out, and a quieter risk shows up: cash can fall behind the rising cost of living. Stocks are the bumpy line — genuinely volatile in any given year — but historically have grown enough over decades to outpace that rising line. Neither is "safe" in every sense; they're just risky in different ways, on different timelines.

Volatile, but often lower long-term risk

Stocks can swing 10-20% in a single year — unsettling to watch. But held for decades, the real risk isn't the swings, it's needing that specific money on a timeline too short to ride one out.

Stable, but has its own risk

Cash and HYSAs don't swing — the balance you see is the balance you get. The risk is quieter: it slowly loses purchasing power to inflation, which doesn't feel like "losing money" but functions like it.

Gross pay vs. net (take-home) pay

The salary in your offer letter — gross pay — isn't what lands in your checking account. Money gets pulled out along the way, and budgeting off the wrong number is one of the most common early mistakes.

FICA
Income tax
Pre-tax
Take-home — 72%

Illustrative example only — your actual split depends on income, state, and elections. Use net pay, not gross, when building your budget above.

Net worth: the one number that actually sums it up

Net worth is everything you own, minus everything you owe. It's the clearest single measure of financial progress — more useful than your salary, your account balances, or any one number on its own.

Assets — what you own

Cash in checking, savings, and HYSAs. Investment and retirement account balances. Home equity, if you own property. Anything of real value you could sell — a car, for instance, though it typically loses value over time.

Liabilities — what you owe

Credit card balances. Student loans, car loans, personal loans. Remaining mortgage balance. Anything you've borrowed and still have to pay back.

Try it

Quick net worth calculator

Rough numbers are fine — this isn't going anywhere, it just adds and subtracts.

Net worth $0

A negative number early on — common with student loans — isn't a crisis, it's a starting line. What matters more than the number itself is which direction it's moving over time.

Financial dictionary

The terms that get thrown around like everyone already knows them. Search or just scroll.

Financial myths, debunked

Common things people believe about money that either aren't quite true, or are more nuanced than they sound.