Planning for retirement isn’t easy, and it’s natural to have lots of questions about how much you should save per month and how to ensure you have a healthy income after you leave your career behind."Social Security is a fantastic foundation for retirement," Fink said in an interview with Bloomberg last March. "But if that's all you have when you retire, you're going to be living below the poverty line. It's supplemental, but it's not meant to be the totality of what you have in retirement (7).”As of Septem ...