Fifty isn't a finish line. By this age, you know who you are, what you want, and what you're absolutely done tolerating. That's a superpower in the world of love. If you're ready to embrace ...

At age 50, Roth contributions ... If you get started between the ages of 40 and 50, however, the math gets trickier. For example, say that you're 50 years old with $650,000 in your 401(k).