The job is a lot more difficult than you think.
Splitting the bill 17 ways with 5 mixed matched methods of payment.
Yes, the process is streamlined with a POS system, but it's easier to let them know before hand.
Complaining or wanting a refund after finishing the entire meal.
Talking on the phone while the server is trying to take your order.
"Just go ahead and text the order when you're ready."
Asking for copious amounts of complementary items.
Seven baskets of bread sticks is enough.