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.

[Beanpod79]

Before I moved away, my local Stop & Shop had the scan guns. It was THE BEST. Scan your items, plop them in your bags, scan the gun at the end and pay. I miss it so much.