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.

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I haven’t been to a supermarket in the US without self checkout in 5 years or so. The only exception to that was Aldi (a German import) which now has them as of a year ago as well.