Another fee that most providers ask for is when you fail to keep up your dues. This is yet another aspect that you should handle carefully, because some providers tend to hide the facts when the agreement is being signed. So be careful about this kind of fee as well.

The next one is not a fee, but a fine. You may be fined credit card agent commission by the processing provider if you are not PCI compliant. This means that if you do not abide by the guidelines laid down by the Payment Card Industry Data Security Standard (PCI DSS), you could be penalized. Some providers help merchants to avoid such fines, so keep this in mind while opening an account.

Then there is the fee for providing customer service. You might feel as if you do not require any sort of customer service, but if you are not sure of handling technical issues on your own, then it is recommended that you opt for customer service, as it will help you save valuable time.