1. Know how to use cards to raise cards.

In the non-stop consumption, slowly increase the quota, which is related to the card maintenance card.

Remember the date of the bill

Don't make overdue payments. Credit is your travel card.

3. Don't handle too many credit cards.

I suggest that it is enough for one person to handle two or three cards. The annual fee for multiple cards is too high, which is inconvenient to manage. It is better to raise cards seriously and increase the quota. Managing too many credit cards is torture!