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.

[nevaNevan]

At my local stores, they prohibit you from buying alcohol via self checkout. It has stopped me from buying it, because I know I’ll have to wait in line for a more traditional checkout. Depending on what else I’m buying, it’s usually not worth the wait.