1 in 5 Americans Still Make This Rookie Mistake When Retirement Planning -- Don't Join Them

1 in 5 Americans Still Make This Rookie Mistake When Retirement Planning -- Don't Join Them

There are plenty of ways you can go wrong with retirement planning. You can wildly underestimate the length of your retirement or spend too quickly once you get there. Among the most devastating retirement mistakes is one that's often overlooked because it's born out of a desire to help others.