This is one of the tricks/loop holes in Google. I found that if you bid really really high you probably won't have to pay it, but it pretty much blocks out other people. it is strange that it doesn't do it all the time but sometimes I bid on a keyword and Google tells me that I need to bid some really stupid amount or my ad won't show at all. At first I thought it was because somebody else was targeting the same URL (affiliate marketing) but that didn't account for it when I changed the URL to a landing page I had on my site.

So finally 1 day (feeling rich) I bid the stupid amount. I got a ton of traffic but at a fraction of what I had bid. When I went and did a search to see the SERP mine was the only PPC ad on the page. Really really weird.

I'd love to know why this happens so I can make use of it all the time.

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