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 The Other Sure Thing Though we don't like to think about it, all of us will make an exit sometime. Are you prepared? What Is My Life Expectancy? Estimate how many years you may need retirement assets or how long to provide income to a surviving spouse or children. Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program.