50 people @ 1/3# sandwich = 16.6 lbs of cooked pork X 2 (50% loss) = 33.3 lbs of uncooked meat @ $1.50 per lb = $50.00.
Add fuel, rub and sauce, foil pans your at $60-65....
I would charge 3X my materials for labor (profit) so $180-195 here.
Your pretty close.
Pitmaster @ Lockharts BBQ
I cook the best brisket north of Dallas. Get over it.
Northern midwest director for OBR