The Power of Compound Interest Learn how to harness the power of compound interest for your investments. Related Content A Penny Saved is Two Pennies Earned Here are some simple and inexpensive energy-saving tips that may help you save money. Retirement and Quality of Life Asking the right questions about how you can save money for retirement without sacrificing your quality of life. What Can a Million Dollars Buy You? $1 million in a diversified portfolio could help finance part of your retirement.