App and Web must have an "insuficient funds" error before draining the full balance of Visa/MC prepaid cards. What is the point of getting all the money from the card just to "cancel the purchase after two days" and never sending one email about it. Or even worse, since the order was properly completed on my side, it makes me wonder if the customer service agente was right about the order "would be automatically cancelled in 48 hours". So, a 1 dollar visa gift card would buy the entire store.