The Cost of Procrastination Procrastination can be costly. When you get a late start, it may be difficult to make up for lost time. Related Content The Power of Compound Interest Learn how to harness the power of compound interest for your investments. Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work. Data Breach: Your Security To-Do List This article provides a checklist of steps to take if you experience a data breach.