Interest can be charged when you borrow money or earned when you save. When you charge something on a credit card or take out a loan from a financial institution (student loan, auto loan, mortgage, ...

Compound interest can help turbocharge your savings and investments, or it can quickly lead to an unruly balance, keeping you stuck in a cycle of debt. Its magic can help you earn more — or owe more.

It seems everywhere you look online, experts are talking about the magic of compound interest and how it can make you wealthy over time. But if you have no clue what that even means, it’s basically ...