Someone asked for case studies. I have a couple of examples here. I'm finding it doesn't work brilliantly well for local marketing - not sure why, so doing more research on that. Here are some examples of affiliate offers that ranked on page 1:
Magic Button :
and this one which is very recent:
I didn't do much to these: they more or less ranked on their own. I have some that ranked higher up but they're driving affiliate revenue and I don't want to reveal them.. Hope you understand.