So I'm confident this has been asked on here before, and I did some cursory looking and didn't find a thread, and not sure how to use a search function, so please bear with the new guy.
Is tipping generally expected? And what is an appropriate amount? Yes, I know, it generally depends on the service, but would it be based on a general dinner scale? 10% for OK service, 25% for exceptional service kind of a scale?
I certainly don't want to be the guy to insult a provider based on my lack of knowledge.