I think 3% is an exaggeration. And in fact, you can get 2% cash back. I don't think there's very much being charged when all is said and done. This seems to sh

I think 3% is an exaggeration. And in fact, you can get 2% cash back. I don't think there's very much being charged when all is said and done. This seems to show the fees can be considerably less than 3%, although PayPal or Square will charge nearly that: https://www.fool.com/the-ascent/research/average-credit-card-processing-fees-costs-america/ https://www.fool.com/the-ascent/research/average-credit-card... https://www.mastercard.us/en-us/business/overview/support/merchant-interchange-rates.html https://www.mastercard.us/en-us/business/overview/support/me...