Where are you purchasing your meat? If your using a distributor like Shamrock foods ETC, I would see if you could order what you think you will need and see if they would deliver a second load of meat to you on site.
I've vended at contests and seen others do this that were cooking in mass quantities. At least with this if you need more or less of a certain item you can make plans for it and get more. Just a thought...
Peoria Custom Pit 24x72*Treager Texas Style Smoker *Whole Hog Country Smoker*
" You can put all of the sauce on it you want, but you still have to master the art of cooking barbecue"
- Mike Mills-