This story was originally published on Sept. 11, 2024, and has been updated. Want to avoid racking up credit card debt? John Kiernan, managing editor at the personal finance website WalletHub, shares ...

One way to help manage credit card balances that finance experts swear by is the 20% rule. “ [A rule that] recommends keeping long-term debt to no more than 20% of your annual income, and keeping ...