Big life changes take place when you get into your 60s. For one thing, income to replace a salary is suddenly an important consideration. Which is why if you’re in your 60s, you should consider buying these three stocks: Enterprise Products Partners L.P. (NYSE: EPD), Duke Energy Corp (NYSE: DUK), and United Parcel Service, Inc. (NYSE: UPS). Here’s a look at why each are well suited for an early retirement portfolio.