Some people do it in order not to carry a lot of cash, some people do it in order to relieve the financial pressure, some people do it smartly, some people do it in stages for points, some people see others do it themselves, and they have to swipe their cards after spending less than a few times after getting a credit card, and some people take other people's credit cards to enrich themselves (including crimes), and so on ~ I hope to be satisfied with my answer.