Yep I just invented that tag last night thinking there were about half a dozen applicable questions such as dealing with annoying travelmates and beggars, not getting arrested, and drinking vodka with Russians.
But when I went through every single question and applied the tag judiciously there turned out to be lots of such questions. I was really surprised.
I do agree it's important how to word it because it could be overapplied but there is definitely a real class of question we've been accepting. This is why I didn't write a tag wiki yet.
By the way I was going to call it tips but that is already a synonym of tipping.
Oh and I'm absolutely fine with fine-tuning the scope of the tag so if the arrest one isn't a good idea but the corrupt police one is, that's fine.
Basically anything that included the word "hint" or "tip" or "trick" in the question was considered for the tag. Then I considered questions that seemed similar in spirit to those whether they had such keywords or not.