I agree with having both options of self checkout and cashier lanes. I worked at Publix as a cashier for 6 years so I always use self check out if it’s an option. As far as replacing cashiers, in Publix, 6 checkout lanes replaced two regular lanes and require a cashier there at all times. Assuming only one of those lanes would have had a cashier on it, there is no displacement of any cashier as they are now working the self checkout lanes.
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