2 ms·
It's not just expertise, but division of labor: while you unload the cart another person can be scanning in parallel. Plus checkout lines are optimized to make
by AlexandrB 3y ago
It's not just expertise, but division of labor: while you unload the cart another person can be scanning in parallel. Plus checkout lines are optimized to make scanning fast - unlike most self-checkouts. If I have more than a handful of items I prefer the speed of a regular checkout.