Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Ebony Howard is a certified public accountant and a QuickBooks ProAdvisor tax ...

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.

Interest is the amount of money you must pay to borrow money in addition to the loan's principal. It's also the amount you are paid over time when you deposit money in a savings account or certificate ...