1. bank charges: the bank will charge a certain percentage of handling fees according to the type of credit card and the amount of credit card swiped. The handling fee ranges from 1% to 3% of the credit card amount, and the specific charging standard will vary according to the policies and contract terms of different banks.

2. Payment service provider charges: If you use payment service providers such as Alipay and WeChat Pay, you will also charge a certain fee. The handling fee rate of Alipay and WeChat payment is .6%, but the fees charged by different service providers will be different due to contract terms and other reasons.