Hi Pete, that is a very good question. Depending on which credit card processor you decide to go with the fees and minimum sales required will vary. We recommend Square for most small business owners because their fees are straightforward and simple. Check out our article on credit card processing basics which includes a chart with the fees that Square charges: https://fitsmallbusiness.com/how-to-accept-credit-cards/.

Thanks so much for reading!
Crystalynn Shelton