How Convenience Stores Make Money

Do you know how much profit a gas station actually makes on the fuel you just bought? Have you ever tried to guess that number before checking? Do you know why cigarettes barely earn the store anything either? Ever wondered what's actually paying for the building you're standing in? Does it change how you see the corner store once you know what the real product is?

This is how convenience stores actually make money, and why the two things they are most famous for selling are the two things they barely earn on.