I´ve had a few adwords campaigns for a while. I have an ad that has been showed about 13000 times and only had 3 click (ctr 0,02%). This must be very lousy, right? When do you recommend that one should change their ad when it´s going poor? I have a web office and i advertise on a newspaper in the a county that i live in.
I would write several versions of the ad and let Google serve them randomly. They will automatically serve the ad that performs the best after a period of time.