[gnopgnip]

A lot of businesses have a few percent cash discount to offset credit card costs, so they make the same amount either way. An antique store that would go out of business unless you pay in cash is either because they aren't paying consigners honestly, or they aren't paying taxes.

[reaperducer]

I hope you don't mind if I take the word of a woman who's been running her business for 35 years and is a staple in the community over some rando on the internet who doesn't know her business, hasn't seen her financial records, has zero information about how much the fees actually cost her, and may not even be in the same hemisphere?