Everyone wants to know what tricks they can use to try and rig the system, especially if it means they can save money. It doesn't matter who is on the other side of that exchange, as long as you come out better on the other side, right? Well, no. As fun as it can be to find little ways to “save” money, there is a clear line between using acceptable little tricks to spend less money or get better deals, and actually lying and cheating others. The hotel guest in this Reddit story tried to rig the…