curbside or carryout, no tip unless it was a crazy complicated order, and then 10% tops (unless they offer to come to my house and serve it to me with china and silverware, refill my drinks and clean it all up do the dishes and change the tablecloth)
fast food no
fast food with tip jar??? really come on, no no no
sit down (drive in too), 15% to 20% for good to excellent... 10% if poor.
pizza delivery (min tip $3) or 20% of bill
weddings, no tip for wait staff. and $1 per round for bartenders.