Per drink or per tab?
- Paying as you go: $1–$2 per drink, more for elaborate cocktails.
- Running a tab: 18–20% of the tab at close-out. On cheap drinks, make sure the tip is still at least $1 per drink.
Special cases
- Open bar at an event: a few dollars per drink or $5–$10 at the start is appreciated, even though the host pays.
- Free drink or "buyback": tip what the drink would have cost.