Highest Earning Keywords

Many people will be searching for highest earning keywords. What is the advantage with these highest earning keywords? yea, even a single click can bring more adsense earning. right. But we have to consider many things. Though you wave a web of rich costly keywords content, we dont know when the visitor comes and what ad will be displayed to him. For example for a keyword of Health Insurance, the highest ad bid may be $10. But those advertisers can mentione specific times and geographical areas to display with a limit of daily budget for their ads. So, after some time, we may get cheap ads also for the same keyword. This is strength and weakness for us.
You can bid for costly keywords with least bid and wait for any sporadic, occasional clicks which may bring some money. Many MFA websites are made like this. MFA means, made for Adsense. They will not keep any content in that page, but some ads of adsense and wait for their turn. When some one goes to their page, they may click any one ad which brings revenue for them. Visitor psychology is this. He thinks he can get best 20 sites on health insurance, by seeing this MFA ad through adsense. When you click and go to their site, you dont find anything but some more ads. In that vexed condition you would click any one ad, not to make your effort of going to that site waste.
so, my suggestion is write content around rich keywords and accept what ever you get. Then how to know rich keywords.
visit http://pixelfast.com/overture and find out the highest bids for the keyword you enter.
and secondly, external tool from google at https://adwords.google.com/select/KeywordToolExternal?defaultView=2.
you can find out bid rates and thus get information about the highest earning keywords.
You have to keep an eye on top searches also, which will be displayed on msn.com, yahoo.com very often, almost all daily. You may find out these and make content on these.
Registering with wordtracker will be sending some top searches and highest earning keywords , but this has limited use.
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