Judging from the video, Kim and Kanye seem to be saving and investing wisely . Still, it's important to remember that it's not always about income — even people who are making a fraction of what the most famous celebrities make can get into the habit of saving and investing , especially when it comes to growing capital for retirement. Ultimately, Kim is on to a very important truth: It's not just about how much a person makes, it's about how much they save.