"I'd like to return this scarf." "What's wrong with it?" "It isn't um...scarfy enough." "I'll just run your card through the computer and..." "Uh-oh...You're on our Bad Customer list. You've returned over a thousand items to this store." "In fact, you've purchased and returned this same scarf seventeen times." "Company policy says that I have to harvest your organs and sell them on eBay." "It was good while it lasted."