She's thinking long-term – like, really long-term. Her plan? Put $400,000 into an investment, let it sit for 50 years and aim for an 8% annual return. If she's right, that could grow into $21 million.
You don't have to be a math expert or financial advisor to figure this out thanks to online calculators that crunch the numbers for you. All you have to do is fill in the blanks regarding your debt ...