Some estimate that Americans tip restaurant servers and bartenders about $42 million a year. And it's not because of good service: "If I want the server to really like me, I have to leave an above-average tip...And if I want the server not to dislike me, I have to leave an average tip. That dynamic leads to an upward trend in tips," says Michael Lynn of the Cornell University School of Hotel Administration. [WSJ]
For more stories from Eater LA, go to la.eater.com.