Queen Latifah – worth an estimated $70 million – got this money savings advice from her mom. Pros say more of us should follow it, too: ‘The best part is it scales the more you make.’ 

BEVERLY HILLS, CALIFORNIA – OCTOBER 22: Queen Latifah attends TheGrio Awards 2022 at The Beverly Hilton on October 22, 2022 in Beverly Hills, California. (Photo by JC Olivera/Getty Images) Getty Image...