Self-Checkout and Theft Rate
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https://www.thestreet.com/retailers/heres-why-walmart-target-and-kroger-should-drop-self-checkout
"Theft accounts for nearly 4% of inventory for retailers with self-checkout, compared to just 1.5% for traditional checkout," according to a report from the U.K.'s University of Leicester.
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Doesn't address the labor savings by not having checkers....
