The Power of Compound Interest Learn how to harness the power of compound interest for your investments. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Saving for College 101 Here’s a crash course on saving for college. Pay Yourself First It sounds simple, but paying yourself first can really pay off. Paying Off a Credit Card Enter various payment options and determine how long it may take to pay off a credit card.