I find the niche answer to this fascinating. With kosher restaurants (captive audience) in my city: 1. They increase their prices on skipthedishes and friends, in order to account for the price difference. 2. They add a piece of paper to EVERY ORDER indicating that if you call or text your food would be 30% cheaper, which includes a flat $3 delivery fee, and no need to tip the driver. 3. Many of them run targeted sub…
A shawarma place near my last job did the same with Ritual orders, whenever the owner noticed a regular he would ask them to just call the restaurant instead of ordering on the app.