Author: Katie Brockman, The Motley Fool

Here’s exactly what it takes to build a million-dollar nest egg.

If you can swing it, investing a little each month can create life-changing wealth.

Both of these investments could help you earn hundreds of thousands of dollars over time.

This is one of the safest investments out there, and it’s almost guaranteed to see positive long-term returns. At the same time, though, it can help grow your money exponentially.

It’s easier than you may think to retire a millionaire.