1, more credit cards:

It's best to choose an incremental credit card method, such as swiping only 30% of the amount every month, then increasing it to 40%-50%, and then increasing it.

2. High flatness:

If the cardholder's credit card limit is high, he can call the credit card customer service of Bank of China and ask to level the credit card limit.

3. Handling installment payment or cash withdrawal business.