Tipping these girls is the biggest sham in tipping. Like you said, literally all the do is pop the top off the beer and hand it to you. Sandwich makers at sub shops do a ton more work than them. To-Go: Generally accepted to give them a little something because they are taking and arranging your order and bringing it to you. Buffet: If you have a waiter/waitress that refills your drinks, you tip. Sonic & Tip Jars: Optional.