I don't tip. I think it is a ridiculous thing to do. Why do people feel compelled to give away hard earned money? People who garner tips are working persons like myself. Why should I tip them for carrying food on a tray or for carrying my luggage? They are on the job. It is in their job description. Do you get a tip for doing your job from every single client or customer. No, I don't think so. Where did this tipping culture come from?x(