When Amber Steeves started working at Verizon almost 15 years ago, she did one of the best things you can do when you start a new job. She enrolled in the company's 401(k) program to begin saving for retirement.

"I was never financially stable, and that was a goal," she tells CNBC Make It. "OK, now I'm working, I need to be smart about my money," she recalls telling herself.