How to Never Wonder How Much to Tip Ever Again

A 2-step formula to tip 15–20% on autopilot

Photo by Crew on Unsplash

It’s ironic: If you don’t tip for your burger, your waitress can’t eat.

In the United States, more than half of service workers’ earnings come from tips. For many of them, this figure equates to about $850/month, meaning it’s essential to their ability to pay for rent, food, and…