I made $150 on a good night waiting tables in college at a mediocre seafood place in Tennessee in the 1990s.
That was the hardest job I’ve ever worked.
I washed dishes at an Italian restaurant in high school. Hard job at the time but waiting tables was harder. My current engineering job is easy compared to waiting tables.
Nowadays I tip at least twenty percent. I don’t care how bad the service is. Those people are working their asses off and I’m happy to compensate them.
Anyone who has worked in food service is an excellent tipper. Never, ever fails.