I'm reminded of a clip of Mark Cuban talking about his biggest WTF?'s from Shark Tank. One business owner made a product for $15 cost, and sold it for $30, but

I'm reminded of a clip of Mark Cuban talking about his biggest WTF?'s from Shark Tank. One business owner made a product for $15 cost, and sold it for $30, but they were burning cash. Mark's story is that he asked the owner about it and noticed she was offering free shipping "to make the customer happy". Cost of shipping was, of course, $16.