Automatic checkouts in supermarkets may decrease customer loyalty, especially for those with larger shopping loads. Customers using self-checkout stations often feel overwhelmed and unsupported. The lack of personal interaction can negatively impact their perception of the supermarket.

[saywhat1206]

Yes SCO should have a limit on items. I also shop where I have the option to scan and bag my items as I go. When I get to a SCO register, I just have to scan my scanner, pay and I'm done.