The Power of Compound Interest Learn how to harness the power of compound interest for your investments. Share | Related Content Keeping Up with the Joneses Lifestyle inflation can be the enemy of wealth building. What could happen if you invested instead of buying more stuff? A Penny Saved is Two Pennies Earned Here are some simple and inexpensive energy-saving tips that may help you save money. Historical Inflation This calculator shows how inflation over the years has impacted purchasing power.