One of the reasons the expensive PoS is popular, at least in the shops where they have a high amount of customers is that the expensive PoS usually offer techni

One of the reasons the expensive PoS is popular, at least in the shops where they have a high amount of customers is that the expensive PoS usually offer technical support with a SLA. The amount a medium - large shop saves on always having a payment terminal ready is more than what it might cost to rent one. Source: Used to work as a technician fixing payment terminals.