oh, you can get lots of traffic but getting them to buy you out is another thing!
you might need to do some thing practical like hosting about 10,000 keywords for search, and then see which actually do kick butte
like clickconsults.com suggests you might need to target your efforts around 3-4 character keywords instead of single keywords, example: chatroom
single keywords used at adwords.com could lead to expensive moves, and also it depends on what PPC service you are employing
remember, there are no generalities unless somebody just likes to
cry the blues