Retirement used to mean one thing: stop working, collect your pension, and fade into the background. That model is crumbling fast. Retirement at age 65 with a healthy nest egg and a 401(k) is no ...

Add Yahoo as a preferred source to see more of our stories on Google. AleksandarNakic/ E+ via Getty Images Retiring is a huge life milestone. Some people can't wait to say goodbye to their jobs and ...