Welcome to WebmasterWorld Guest from 18.104.22.168
You will have to do the same as I do. Trawl through all the webmaster forums and website classifieds to see if anything has potential to be a good Adsense site.
Anyone with an ounce of sense who owns a site that is earning would not sell (unless it is for a very large amount) otherwise it is just not worthwhile.
I know I wouldn't sell mine for the world. They earn me $35k+ a year for doing very little!
I think if there was a site set up dedictaed to selling Adsense sites, it would just be littered with MFA sites knocked out by the dozen as with eBay.
The question is why these ebay offers of supposedly optimized for revenue adsense topics with associated relevant domains don't work. Is it the sandbox effect problem, or is there something more significant I'm not seeing here.
I'm quite willing to be patient as I learn the ropes; have a long way to go with 100 page views per day and $15.00 or so in monthly adsense revenue!
Surely if i transformed your idea to a working site i would find hundreds of clones the other day, but that's another story.
Anyways, maybe the whole idea isn't to sell these sites. Maybe the idea is for you to click on the ads as you are visiting the demo site to see what you would be buying! Oh and they have the balls to say you can edit the copyright notice on the footer.
If I had to guess.... They sell dupe after dupe of the same site to unsuspecting and innocent AS newbies.