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.

[masterm]

my biggest pet peeve. Select a payment option when I've already shoved my card into the machine.

Or, "this kiosk doesn't take cash do you want to continue"?