SD Vending Posted March 7, 2015 Share Posted March 7, 2015 Hi Guys, I'm trying to find some sort of technology out there to let you know how much product has been sold or how much is left in your machine. That way you take the correct amount of items to your machines. Is there such thing? If not I just gave some one an invention idea:)! Thanks for your imput SD Vending Based out of San Diego Link to comment Share on other sites More sharing options...
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