In essence, an interest rate is the cost of borrowing money. This "rental fee" is calculated as a percentage of the principal, or original loan amount. The interest rate determines how much you'll pay ...

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.

Finding a financial advisor doesn't have to be hard. SmartAsset's free tool matches you with up to three fiduciary financial advisors that serve your area in minutes. Each advisor has been vetted by ...