That's fine in an ideal world, but in the United States that's not how eating out is handled. A tip is the payment to the waitress for her services while occupy

That's fine in an ideal world, but in the United States that's not how eating out is handled. A tip is the payment to the waitress for her services while occupying a chair in her or his section in the restaurant. If you find this unacceptable, there are McDonalds Restaurants down most streets.