We have used google adwords (always with very little success) for a while now.
However, we recently got a bill for more than £400 of Adverts which didn't create a single inquiry. In fact we didn't even know the campaign was running.
We have a normal screen on our google account that we believe told us all of the information we needed. However, for this campaign, somehow, it had been activated for adverts that are placed into people websites. And this only shows on a seperate screen that has no commonsense link to the screen we always use. This might have been a setting