Yeah, on a one-visit-at-a-time basis, it's a bit pricey. For us northern guys though, the $75 initiation fee & $15/month works out to be a decent deal if you head out there often enough.
Personally, I hate indoor ranges, and Pawnee seems to draw a lot of morons. I see the $20 entry fee as a filter to keep out the jackasses and idiots.
Pawnee does attract idiots but there are a million places you can go