I strongly suggest that you locate a retargetting company that operates purely on a Cost Per Acquisiton (CPA) model. There are enough high quality firms out th

I strongly suggest that you locate a retargetting company that operates purely on a Cost Per Acquisiton (CPA) model. There are enough high quality firms out there that use this model that it makes no sense what so ever to pay a flat fee. However you must watch out for view through conversions. I recommend you hit this article: http://www.adoperationsonline.com/2010/02/25/retargeting-experts-mediaforge-launches-post-engagement-platform-to-accurately-track-metrics/ http://www.adoperationsonline.com/2010/02/25/retargeting-exp...