So I had this situation awhile back, and I was meaning to mention it... so some guy buys a half gallon of milk, walks out... and comes back in 5-10 minutes later and says "you sold me a bad milk, it's leaking." He says, while holding the jug up in the air, to show me that it's dripping on the floor. He then sets the milk down on the belt, and walks to the aisle to get another. While he's away (cont)