There is absolutely no reason for a restaurant to pay 2.9% of their revenue for payment processing. Their total profit margin is probably around that much, so r

There is absolutely no reason for a restaurant to pay 2.9% of their revenue for payment processing. Their total profit margin is probably around that much, so reducing the processing fee to 1% could potentially result in a very significant increase in profits for them. There is no necessity for insurance on a transaction like a restaurant bill.