Different providers may charge some type of application fee. This can range from $0 up to $100, sometimes more depending on your lender.

You may also need to purchase your software, which can range in cost around $100, or more. Once this software is installed, its possible you may have to pay a licensing lease on the software, which can range from $20-$50/month. Again, this depends on your lender or merchant account provider.

In addition to these, you will also incur transaction fees that can vary between $.20-.50 per transaction. While they don't sound necessarily high, remember if you process a large number of transactions, this can add up.

Other fees you want to make sure you ask any potential merchant selling credit card processing account vendor include charge back fees, statement fees, minimum usage fees, annual fees, account keeping fees and close out fees.