2. It is impossible to deposit money in installments ~ ~ You can apply for temporary adjustment if the amount is not enough, and you can also apply for permanent adjustment if your credit card has been used for a while. The bank will help you increase the limit according to your overdraft times and overdraft amount.
It's best to overdraw your credit card and then save money to pay off each bill. It is best not to save the extra money! It's easy to deposit money, but if you withdraw cash by credit card, BOC will charge 1%, with a minimum of 10 yuan per transaction. And it is not interest-free. It seems that the daily interest rate is 5%, and the calculation is compound interest ~ ~