The largest collection of valid credit cards belongs to Guinness world record holder Zheng Xiangchen, who has a whopping 1,562 cards. Trust us, you don’t need that many — but having more than one credit card can provide several financial benefits if used carefully.
“For a disciplined card user, there is no downside to having a lot of cards,” says John Ulzheimer, a credit score expert who previously worked for FICO and Equifax. “But, there’s a downside to having too few, especially when it comes to credit scores,” he says. Here’s what you need to know to improve your credit score and maximize your rewards.