Having this kind of authority gives you link juice because people may want to see what you personally think on your own site. You get more visitors that turn into prospects which can lead into potential buyers. Also, the webmaster might see how this could help increase sales for his products due to the notoriety of your writing and having your own page. You could form a partnership and reap the benefits of simply having the product link or banner on your page and get paid per click or when someone buys the product. And it takes only a minimal amount of work just to post it on your site!!
It's very beneficial to stay active on the blogs. For more details as well as videos on the subject, check out: http://makingmoney2blog.com/
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My site is a Playstation (not limited to just the system) blog review site. I have previews, trailers, documentaries, music mondays, humor, and more on my site. I can also do reviews and advertise for your business or product. My Page Rank is at a 3.