I helped run conventions for the construction industry; we had a couple of shows where we had a raffle with prizes including a fancy pickup truck. It was amazin

I helped run conventions for the construction industry; we had a couple of shows where we had a raffle with prizes including a fancy pickup truck. It was amazing: the biggest prizes were always won by people who were directly related to members of the Board of Directors of the organization. One of the big money makers for that org was "affinity group" insurance; they partnered up with a big insurance company to offer the members discounted, custom branded insurance and bonding (which was almost always required for the projects the members were bidding on, big business expense for them). Shockingly, that program ran OK for a couple years until one of the Board member's companies blew a job and somehow wiped out the entire insurance fund. As far as I ever figured it out, his company subcontracted with itself, defaulted and claimed a massive "performance bond" payment.