Learn the secrets of 401(k) millionaires By Kelly Sandoval / 10.09.18 Begin Slideshow Business Insider UP NEXT The richest U.S. president might surprise you... Categories: GENERAL Tags: 401K, personal finance, retirement, trending Kelly Sandoval Kelly is the Brand Manager for Finance 101 and has a background in fintech. Fresh These kid entrepreneurs make more money than you New job, new state: What you should be doing before the move Eat for free all year round on these food holidays 30 Companies You Didn’t Know Were at Risk of Bankruptcy What can we learn from elaborate celebrity weddings?