Hi, Apart from the Google banners advertisement please suggest sites worth advertising and the approximate monthly recurring cost for that.
Try bidvertiser or Adbrite.As a publisher its easier to reach payout and they are consistent with payment.Also a great support. Adbrite seem to have a better banner ads than bidvertiser. You can promote ebay auctions at bidvertiser. For more info you can PM me. Please if you find my info useful, do me a favour by using my affiliate link.