Let me tell you this, brother, as long as you don't mention the cash and don't overdue, you won't charge any fees, and you can save hundreds of thousands if you use it for a month or a year. Because the credit card of Bank of Communications is the membership card of many large-scale consumer places, you can get anything with one card. One yuan can be used as points, and the points can also be exchanged for furniture, home appliances and cash. You'll know when you use it.