The common reasons for high credit card swiping fees are as follows: (1) The credit card fails to update the credit card points information in a timely manner; (2) The line is busy or malfunctions when the card swiping machine is used, or the card swiping network is not available. Good reasons. (3) The POS machine line is busy or faulty. It is recommended that you try again. (4) In some areas, due to the impact of the amount of the audience, it is recommended that you set a credit card fee, which can be credited a few days in advance and arrive in time.