Welcome to CPAElites - the original incentive CPA affiliate marketing forum online, solely based on "Cost Per Action".
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Don't worry guys. Creating an Adwords Account is free. All you have to do is signing up HERE
After that your done and free to use the keyword planner (which is basically the same thing as the current keyword tool, but also displays the CPC of each keyword and some other stuff, only "downside" is that I think you need to actually type [keyword] in order to receive the exact search volume.)