Kenny does a great job of explaining the evolution of how the sport has gotten so expensive. Without big restraints being put in place a long time ago, we're at a point where it's tough to ratchet things back.
http://competitionplus.com/drag-rac...drag-bernstein-back-but-he-keeps-eye-on-sport
http://competitionplus.com/drag-rac...drag-bernstein-back-but-he-keeps-eye-on-sport