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A comment on Amazon Go. Parent comment

Re:Amazon Go by cobookman on Monday December 05, 2016 @12:36PM (#13107300)
But if using RFID saves them more than the cost of the technology its a win.

Basically if Savings from reducing sales persons > Cost of New Technology, you'll add the new tech.

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Re:Amazon Go by Someone on Monday December 05, 2016 @05:17PM (#13110260)
It doesn't have to be strictly cheaper, as it also adds convenience. Not having to wait at the checkout will be worth something to customers, possibly quite a lot in the case of a shop targeting richer customers.
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