Even the best investors make terrible investing mistakes. Michael Batnick talks about his new book,\xa0Big Mistakes: The Best Investors and Their Worst Investments.\xa0Plus, should you sign up for Medicare, and which parts? And, Big Al\u2019s got 5 smart ways to collect more Social Security benefits, and the fellas answer the question, can you still take a lump sum from those benefits to buy a red Ferrari?\xa0Transcript and show notes at\xa0http://bit.ly/YMYW-178