I've more than once been turned away from a supermarket because the POS system is down. My local shop on the other hand would have no issues. Strictly cash onl

I've more than once been turned away from a supermarket because the POS system is down. My local shop on the other hand would have no issues. Strictly cash only, or a verbal credit agreement if you don't have enough on you. The proprietor refuses to get a card machine, says the risk is too great for a business with such low margins.