This. I tried once and am still a bit confused if I understood it correctly. Google seemed to refuse "too low" bids completely for no other disclosed reason than that they were too low. And the UI was hellbent to make me give google authority to bid on my behalf on googles own ad auction. Like, WTF? Who on their right mind would agree to that? I'd very much like these folks to be my customers. I guarantee, I will sell you whatever (legal) you want, as long as you agree that I can set the price to whatever I want. It just boggles my mind.