Timing Your Retirement This short video illustrates why knowing when to retire can be a crucial part of your strategy. Related Content How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits. Impact of Taxes and Inflation Estimate the potential impact taxes and inflation can have on the purchasing power of an investment. Should You Borrow from Your 401(k)? Does it make sense to borrow from my 401(k) to pay off debt or to make a major purchase?