Forging government IDs and credit cards would dissuade many people, especially with the difficult in cloning the chips in credit cards.
I can't imagine going somewhere and having to use the swipe. Even some dinky rural bodega will have a swanky touch screen EFTPOS machine. I am thinking the banks must cover the cost.
Rented, like your cable box. I'm not sure who funds the initial cost of new equipment, but as a retailer you'd just get new units in the mail.