i cant agree anymore than you Funk.

Pricing for running the tracks should really cost between $50-$75. 30 is too cheap funk.

Each car pays $90 x 15 cars = $1,350.00
Spectators fee $10 x 60 people = $600.00

The money for the spectators should go into the owner's pocket, while the cars should pay for insurance and other fees for the track. I know that there are some extra fees to keep the track running such as land taxes, but things like resurfacing the track is done like on a 2 or 5 year bases, which cost like what...$8k for ocala? There are other events that helps keep money flowing into the track too.
I dont back this up with a source, its based on my guess, so if my numbers isnt correct, i dont mind if anyone corrects me, but drifting on a course shouldn't cost $90.