When working in the service industry it is inevitable that you will encounter a bad tipper. Whether they're old and still think 25 cents is an appropriate tip, or their entitled and think because you forgot the ice in their water, they're allowed to tip you $0. It's a mad mad world out there working as a waiter. At least in the U.S. it is. You work for barely an hourly with usually no benefits and you relay almost completely on tips. So when you get a $0 tip, that person who you just served and…