This article lists the worst ways to use credit card rewards and reminds people to avoid making these mistakes in order to get the most out of them.

Each issuer has different criteria for approving credit cards, so if you can't apply for a new card, something is probably not right.

Many people have a question, China's mobile payment is very developed, why does the United States still like to use credit cards so much? What is the reason for this difference? If I go to the United States, how do I use credit cards?