Waiters hate to deal with multiple credit cards. What these people should do is establish an understanding that people bring cash with them and split up the lunch/dinner tab that way. Put all that green money together and give it to the waiter...with a tip of course
“Waiters hate to deal with multiple credit cards.”
Too bad for them, the customer calls the shots or he won’t be back. I’ve reminded a few managers who controls the purse strings.