As Carl Spackler once said in recounting his day caddying for the Dalai Lama, “HEY! Lama! How about a little something for the effort?”

When you should tip and when you shouldn't.

The rules for tipping have gotten a little unclear. So, whether it’s at the coffee shop, a nice restaurant or you’re picking up carryout, we’ll reveal when you should give a little extra, and when it’s safe to skip the tip. Watch Local 4 News Monday morning at 6:30 a.m.

Should you tip that person? What about that person? And how much should you tip? Are we tipping enough?! What about the holidays?! We have the data to help.