At a gathering, two of the world’s most well-known billionaires, Warren Buffett and Bill Gates, were asked to sum up their secret to success in a single word. Remarkably, both men provided the same answer: focus.

World-renowned billionaires Warren Buffett and Bill Gates were once asked at a gathering to write down on a sheet of paper their secret to success in one word. They both gave the same answer: focus. I'm 49 years old and have nothing saved for retirement — what should I do? Don't panic. Here are 5 of the easiest ways you can catch up (and fast)