FWIW, from the world of SaaS: I charge five figures a month on Stripe, over a few products. Ticket size ranges from $29 to $2,499, with the largest numeric clu

FWIW, from the world of SaaS: I charge five figures a month on Stripe, over a few products. Ticket size ranges from $29 to $2,499, with the largest numeric cluster at +/- $30 and the largest contribution to revenue at +/- $500. Margins on the products range from 60% to 90%+, so optimization on the 3~5% that Stripe accounts for is not super-meaningful to my business. (For completeness: also use Paypal, at their 2.9% tier. Have never been dissatisfied with what I pay for CC processing.)