A little girl's first day in school and a teacher was going to play a "guessing" game. She passed out items to each of the students and proceeded to ask each student what item they received. When it was the new girl, Susan's turn, the teacher gave her a candy kiss. She asked "Do you know what it...
I usually give somewhere in the 20% range if my beer mug is never empty.
The place that a tip really pays off is at the snowmobile repair shop. I always give my mechanic enough to take he and his wife out to dinner. My sled is always done early and done right.