At my local Safeway one employee manages 6 self checkouts whereas the traditional checkouts each require 2 - one cashier and one to pack. Also the line moves mu

At my local Safeway one employee manages 6 self checkouts whereas the traditional checkouts each require 2 - one cashier and one to pack. Also the line moves much faster in the self checkout. Sure there are edge cases but on an average you still save a lot of time/money.