In KRM you shop around single items when you get to the register you tell them what cases you want, you pay, cases are always in bold @ the end of the receipt and you have someone bring it to you
Bingo has extra wide shopping carts + you can use the bottom for cases
Gourmet Glat narrow carts most cases don't even fit in the bottom you shop 3-4 cases you're ready to check out or push 2 carts
Rousners No Cases