The Richest Man in Babylon In good times and bad, consistently saving a percentage of your income is a sound financial practice. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Should You Invest in Exchange Traded Funds? There are hundreds of ETFs available. Should you invest in them? It Was the Best of Times, It Was the Worst of Times All about how missing the best market days (or the worst!) might affect your portfolio. Saving for College This calculator can help you estimate how much you should be saving for college.