Editor
Not long into the pandemic, Americans were eager to tip their front-line-working baristas and servers. But now that tip fatigue has set in — driven by the proliferation of payment tablets that suggest tipping for everything from a sandwich at a grab-and-go counter to an ultrasound — consumers are often bewildered by when and how much to tip.
“This is the hottest topic in etiquette right now,” said Daniel Post Senning, the co-author of…
