How much tip should you give? It's not a question we lose sleep over, but it stumps most of us each and every time we go out to dinner, have a massage, or even have pizza delivered to our doorstep. Here are some tips on, uh, giving tips. It can help you quickly and easily decide how much to give in any situation, without having to revert to high school algebra. Why … [Read more...] about How much tip should you give?