| The biggest problem in arbitrage is the switching of keywords from low-paying to higher paying.
It's very rare when the same search term cost a lot differently on Google Adwords and Yahoo.
The common practice is to advertise a domain name such as paymusic.com (on which advertisers expects high conversions and is bidding high) like "free unlimited music" on Google Adsense for 0.05 USD per click, on content network, such a forums. |