Quote:
Originally Posted by ProfCrash
My grocery store has an option were you zap items as you shop and then zap a bar code at check out. It takes about one minute to check out when it works right. It is great.
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But how do you know if they're charging the right price? Does the zapper tell you how much it's charging as it zaps? And if it's wrong, is there an app for that? Or do you just put it back on the shelf and buy a different brand?