The tablet spins around, three suggested percentages appear, and suddenly you’re wondering whether declining to tip makes you look cheap. Americans now encounter tip prompts in places where gratuities weren’t traditionally expected, making it harder to distinguish a genuine tipping situation from a payment screen simply offering the option. Even the federal government now maintains a detailed list of occupations that have traditionally received tips, including servers, bartenders, hairstylists, hotel workers, drivers, and delivery workers. According to the IRS list of traditionally tipped occupations, more than 70 occupations can qualify under current federal tip rules. That being said, you probably don’t need to tip these six people.