The plan you had would have worked in 2001 but not now.
As Baddog said, make no more than a handful of AVS sites and promote them.
Or
Just create single content filled pages and promote sponsors skipping avs sites altogether.
The trick that you are overlooking is to figure out what you can do to get traffic and send signups using the least content possible. I'd say using your programming knowledge to automate blogs would be the way now a days. I'm not talking about BLOG-TGPs with a shitload of content but more in the way of mass producing
www.battsblog.com like blogs.
A few pics of the right girls is all you need.