It's simply more efficient. I can go to the store early in the morning where one guy can manage 6 to 12 registers. Why do I need to pay more? It's almost like a

It's simply more efficient. I can go to the store early in the morning where one guy can manage 6 to 12 registers. Why do I need to pay more? It's almost like asking, 'why do I need to think about this?' like there is no cost. As people become more accustomed to self-checkout and learn how their neighborhood stores work, it will only get faster.