you mean the merchant selling the product? or the bank? (Our bank processing fees for Visa and MC are not bad actually but the fees that stung were the card swipey company that interacted with Visa MC. My wife totally quit taking credit cards and "passed those savings on to her customer"
However, seems as the depression is winding down, the whole thing of "Convenience v Val;ue" is tipping back to the side of convenience.
This weekend, at the Md Show, people didnt want to run to an ATM (the fairhrounds installed 4 of em with 8 hour refill schedules). They wanted her to take plastic. SO she probab;y lost a few thousand bucks of sales