suggestions for my ppc please

Ok so I run a pay per click campaign for my site with mostly very low cost keywords (0.01 to 0.04) and I was wondering if I could put up some CPM adds on my pages to reclaim some of the money spent on PPC.
would this even be allowed ?? (putting CPM adds on pages that get a lot of PPC traffic)
The content on my site is pretty good and the average person who clicks on my adds views more than 3 pages.
also, would I be allowed to put more than one CPM banner on each page?
how much can I expect to earn from a banner per 1000 impressions?
if it is allowed to have more than one CPM add per page would having more than one impact the prizing?
I appreciate all answers and for those willing to help me monetize my site I will try to offer […]

Original post by sitenewbie99