Meanwhile eBay forces payments by debit/credit card/Paypal, because they have arrangements with a (formerly owned) processor, even though I, as a seller, would

Meanwhile eBay forces payments by debit/credit card/Paypal, because they have arrangements with a (formerly owned) processor, even though I, as a seller, would be happy to accept cash/drafts/cheques/COD/whatever to keep that ~3%.