A: Yes, the general credit limit is 5,000 yuan, and banks can default to the excess of 10%, which is 5,500 yuan, but this is not enough for you. 500 yuan will charge five ten thousandths of interest on the excess. You just deposit it in 900 yuan, and then swipe your card.

Second, you can apply for a temporary increase in the credit line, but the time will be slower.

Can you pay for what you bought by installment? If you can, try it, but there will be a certain handling fee.