Most millennials, 62%, say they're living paycheck to paycheck and only 38% feel financially stable. The good news is, three simple steps can help young people build wealth, says self-made millionaire David Bach, who is also the co-founder of AE Wealth Management and a New York Times best-selling author.

While anyone can benefit from these action steps, they can be particularly powerful for millennials who, as young investors, have time on their side. These tips can "change your whole life when it comes to your money," Bach tells CNBC Make It.