Percentage Fees charged for AmEx in Europe are 100-300% higher for small mom&pop stores, than for Visa/MC. Talked to my local bakery about it recently. They w

Percentage Fees charged for AmEx in Europe are 100-300% higher for small mom&pop stores, than for Visa/MC. Talked to my local bakery about it recently. They would be charged 5.5% of the bill if the customer used AmEx, but 2% if the customer used Visa.