Also want to say, I do not direct link my offers. I send to landing pages. Why because any person doing ppc/ppv knows landing pages convert at higher percent as well. Also here is one killer tip. I use the same landing page every time. I have scraped content, from Ezine Articles on Wordpress. I include Privacy policy/Terms of condition page, and not sure if this help, but I imagine it does, when the account balance exhausts, I delete entire campaign from account. If you don't delete, and try and run same URL you will get banned. Happened to me before. Hasn't happened since I started deleting the information before moving on.
I use my cellphone for proxies. I have Jailbroke Iphone 4S. Connect to PDANet or MyWi 5.0 to get new IP address just switch phone into Airplane mode then turn off. New IP my friends. Free. Maybe work for craiglist posters also I don't know.
Well cheers.