Using normal html pages is less hungry than a database backend. I am only using the forum model for my site at the moment becuase I am not expecting to be creating masses of stuff. If I got really busy I would go back to webpages.
Whatever, I decide what I can afford to buy and don't put more stuff up onto it than I can afford. The few houses I have made went straight up onto MTS2 cos they were big
Anyway Solander, you're a multi-creator site. They do get expensive to run. I can't spot if you're a paysite or not, I didn't see any paypal buttons, but in general another way of running a multi-creator site instead of asking for the users to pay, perhaps the creators could each pay their share like they would if it was their own site.