I have been using them for 10 years at kroger, and they work perfectly for me. I go to the grocery every other day at ~630am. I am OCD about my veggies being fr

I have been using them for 10 years at kroger, and they work perfectly for me. I go to the grocery every other day at ~630am. I am OCD about my veggies being fresh (I also hate wasting food), and the store is on my morning jog anyway. I find that self-checkouts in poorer neighborhoods are more strict about discrepancies, so they may be a factor.