True.There are many flaws in this vending machine such as it won't accept the cards, locations, malfunctioning etc. People when buying electronics products they want to have a live demo of the product . Moreover they will look for warranty card too. In those machines there wont any choice for the products what we look for. Many of them has found inconvenient in using vendor machine. While coming to cosmetics people will go for test product in vending machine this won't be applicable.