Cash has its own costs: * someone needs to drive to the bank to ensure the register has enough pennies, quarters, and dollar bills to make proper change in the

Cash has its own costs: * someone needs to drive to the bank to ensure the register has enough pennies, quarters, and dollar bills to make proper change in the morning * a system needs to be developed to prevent employees from stealing cash * to avoid being a crime target, there needs to be a way to safely store larger amounts of cash * there's a cost of an occasional fake bill being accepted by an employee * someone needs to drive to the bank to deposit the day's earnings into the bank account It's not like the US has zero businesses that deal exclusively in cash, so there should be success stories of disruptive startups going against the establishment by foregoing merchant fees and passing the savings on to consumers. But outside of Arco am/pm gas station, I struggle to find a good example where a cash-only business, or chain, or a sector would offer consistently lower prices than their credit-card-accepting counterparts.