How Much To Tip When Getting A Wax Can Someone Guide Me To The Correct Protocol When It Comes To Tipping?

Can someone guide me to the correct protocol when it comes to tipping? - how much to tip when getting a wax

When it comes to advice, sometimes I'm lost and do not know how, or if they should tip everyone.

Restaurant: How much tip if the food is good, but the wait staff sucks? Or if the wait staff, great, but the food sucks?
- How many points if you have your manicure a good job? This is not such a good job?
"You know tell tow truck driver installed your dwelling?
- How much tip room service or hotel room clean?
"Do you have a tip on where to move?
Massage therapists?
Barber?
- How many trick after the eyebrows and go for a wax job .... Legs, Brazil, lip, underarm to say?

And what you might want on my side, I thank you add!