Reading article of Markus Allen (Fetch123.com) The most expensive keywords in Google http://www.fetch123.com/SEM/the-most-expensive-keywords-in-google This article can help new webmasters to build sites on highest paying niches. Agreed about this fact that not everyone is successful but I am sure many webmasters over DP are earning a decent amount from Google Adsense alone. Just want to get an idea hence please participate in poll also. Share your comments, success stories and questions if any. Hoping so it's quite an interesting thread, waiting for reply from others.
This is the most common questions, but I am happy to say it's possible and many user starts earning a decent amount of money from Adsense and by doing a detailed research on various profitable niches.