DEAR ABBY: I get my hair done at the local beauty school. When I pay, there is no room on the bill to leave a tip. Is it OK not to tip these people because they are in school, or should I plan on bringing cash with me next time? -- WONDERING IN CALIFORNIA
DEAR WONDERING: If you like the service the student performed, show your gratitude (and respect!) by bringing along enough money to tip him or her. That's what I would do, as long as there is no school rule that forbids it.