Guides

Plain-English explainers, each paired with a calculator so you can run your own numbers.

What Is a CD? How Certificate of Deposit Accounts Work

A CD is a bank deposit that pays a fixed interest rate in exchange for leaving your money untouched for a set term. Here’s how they work, what they cost you if you break them, and when they make sense.

What Is a High-Yield Savings Account?

A high-yield savings account is an ordinary, insured savings account that pays a much higher interest rate than a typical bank savings account. Here’s how it works and when it’s the right home for your cash.

Money glossary

APY, dividends, capital gains, bonds and more — every money word on this site, explained like you’re five.

Coast FIRE Number by Age

How much you need invested at each age to stop saving and still retire on time — free data tables.