How much to tip at a buffet? So me and my bro go to a buffet twice a week here in Nevada. My father apparently is an avid gambler and has saved muchos points on his casino card, and since he's out of town, we use the card points to get ourselves free food, and free movie tickets. Well not really free...but who cares it's just my dad's money ^_^ Anyway, I have no idea what to tip the waiters. Usually the buffet is at a fixed price i.e 5.99 for lunch. 6.99 for dinner. Should I tip 10-15%? Or should I just tip them like a dollar or two? No idea.