Theft might be a problem, but it's still probably cheaper than paying people to do a job the customers will do for free. I believe major grocery stores are pret

Theft might be a problem, but it's still probably cheaper than paying people to do a job the customers will do for free. I believe major grocery stores are pretty good about estimating shrinkage and I doubt they'd continue to use self checkout if it wasn't profitable. I personally love self checkout lines.