I was curious to know if you should tip your instructor? I am in a ow class and I am the only student. Tomorrow is the last day before check out dives and we got to talking about how they do not make a lot of money and more less do it for the fun of teaching. I am sure they get other perks from the shop like nice discounts or free trips, air or whatever. So like a tattoo artist do you tip your instructor and if so how much?