| Hi,
Using Google AdSense do not need you to sell anything on your website. You only need to Sign Up for AdSense Account at AdSense Homepage or you can Sign Up at my blog.
You don't need to pay for Google AdSense. It is Free to join. But for Google AdWords, you will need to pay Google because you are using the AdWords to create your own Ads and Google will help you display your Ads. You will not need AdWords, as it is optional.
If you would like to know more about AdSense, you can visit my blog:
EARN ADSENSE MONEY:
http://earnmoneyfromblog1.blogspot.com
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