Financial Guides
Plain-language explainers behind the numbers. Each guide pairs with a calculator so you can understand the concept and run your own scenario.
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How Mortgage Payments Work
Understand the parts of a mortgage payment — principal, interest, taxes, and insurance — and how each payment changes over the life of a loan.
Read guideSavings & Investing · 5 min readUnderstanding Compound Interest
A plain-language guide to compound interest: how it grows your money, the formula behind it, and why time matters more than rate.
Read guideAuto · 4 min readHow Auto Loan Payments Are Calculated
Break down an auto loan payment into principal and interest, and see how loan length and APR change what you pay.
Read guideRetirement · 7 min readHow Much Should You Save for Retirement?
A framework for setting a retirement savings target, including common rules of thumb and the trade-offs behind each.
Read guideLoans & Debt · 5 min readUnderstanding Loan Interest
Simple vs. amortizing interest, APR vs. interest rate, and how lenders calculate the cost of borrowing.
Read guideLoans & Debt · 6 min readDebt Payoff Strategies
Compare the snowball and avalanche methods, and learn how to model the time and interest each one saves.
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