POST 50
08/01/2013 06:56 am ET

5 Retirement Variables Outside Your Control

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One of the reasons it's difficult to prepare for retirement is that there are so many things we simply can't predict about it. We don't know how long we will live, how much our investments will earn and how much of our purchasing power inflation will erode. Here are some of the scariest retirement unknowns and how to cope with them:

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