By Rachel Wolfe
Source: The Wall Street Journal

The self-checkout line can drive shoppers nuts, from frustrations looking up produce to accidental double-scans.

In Chattanooga, Tenn., a flustered self-checkout experience and subsequent failure to double-bag led Tim Connon to lose half his Thanksgiving groceries to the parking-lot asphalt. “There’s a lot of people out there who say the customers can just replace the workers,” he says. “That’s not necessarily true. I’m exhibit A.”

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