How to Retire Early Retiring early sounds like a dream come true, but it’s important to take a look at the cold, hard facts. Related Content Should You Invest in Exchange Traded Funds? There are thousands of ETFs available. Should you invest in them? An Overview of Renter’s Insurance Don’t overlook the need for renter’s insurance if you rent your home. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.