Young Wise.
and Wealthy

Money skills, deeper than the textbook

Money grows where attention goes.

Learn how money actually works before the world starts charging you interest. We walk through compounding, taxes, and credit with real numbers you can check.

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Free, forever. No account, no upsell.

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S&P 500: 10.2% average annual return, 1957 to 2023FICO: credit utilization is 30% of your score2025 Roth IRA limit: $7,000FDIC insurance: $250,000 per ownership categoryThe Fed resets the federal funds rate every six weeksVanguard: lump-sum investing beats averaging in about 67% of the time2025 401(k) employee deferral limit: $23,500

Why this exists

Most money advice stops at the definition.

You already know what a stock is. What you need is the math: how a fee compounds against you for 30 years, how a marginal tax bracket really works, how fast an emergency fund should grow. We show the numbers and let you run them on your own life.

10.2%S&P 500 average annual return, 1957 to 2023

$7,0002025 Roth IRA contribution limit

~25%of a 30-year balance a 1% fee can quietly eat

$0what this site costs, with no account needed

Learn

Seven guides, written past where the textbook stops.

Budgeting

Zero-based, envelope, and 50/30/20, plus the math behind paying yourself first.

Investing

Expense ratios, the Sharpe ratio, DCA vs lump sum, sequence-of-returns risk.

Credit & Debt

Exact FICO weights, the daily-periodic-rate math, snowball vs avalanche.

Taxes

Marginal vs effective rates, 2025 brackets worked out, Roth break-even.

Banking

How banks earn net interest margin, FDIC mechanics, ACH vs wire vs RTP.

Entrepreneurship

Unit economics: CAC, LTV, gross vs contribution margin, the cash-flow trap.

Mindset

Opportunity cost as a daily lens, hedonic adaptation, expected value bets.

Tools

Run the numbers on your own life.

Each calculator pairs with the matching topic so the math you learn has a place to land.

Compound Interest

Model contributions, rate, and time. See growth split from contribution.

Loan Amortization

Monthly payment, full schedule, interest saved by paying extra.

Tax Brackets (US 2025)

Bracket-by-bracket breakdown of federal tax owed on a salary.

Net Worth Tracker

Track assets and liabilities locally. Nothing leaves your browser.

Insights

Short articles with real numbers.

The 401(k) match is the best return you will ever get

An employer match is free money and the highest guaranteed return you will ever get. Here is why you take it first.

How an index fund actually works

An index fund buys the whole market in one trade. Here is what happens under the hood and why the fee matters most.

What a Roth IRA saves a 22-year-old

Pay the tax now while your bracket is low, then grow it tax free for decades. The Roth math favors starting young.

Free to read. No account, no ads, no upsell. Everything here is educational, not personal financial advice.

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Free, forever

Stop paying interest. Start earning it.

Pick a topic, read it, then run the matching calculator on your own numbers. Repeat next week. That habit is what compounds.

Start with investing Try the compounding tool