The financial engineering is amusing. Earlier today, I was on the point of buying two identical pairs of shoes. One from Endless.com and one from Shoes.com. My idea was that I would get overnight shipping from Endless, but pay more overall. Then, when the cheaper pair came from shoes.com, I would return those to Endless, and so get Endless's overnight shipping but shoes.com's price. I didn't do it. Was it wrong of me to consider it though?