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 Contents The Latte Lie and Other Myths Do you know these three personal finance sayings? Life and Death of a Twenty Dollar Bill How long does a $20 bill last? What Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month.