Any reason this won’t work?

• November 25, 2009

Hi all, got a question for you about an idea I have for building very relevant backlinks. My strength is keyword research, and I have a bit of a domain buying problem because of it.
So my idea is to build a blog that I want to go after some specific keywords on. I will use several different IPs and an a post rewriting plugin.
So I would have one main domain, and then some .infos as well.
Something like pornniche.com and then pornnichesex.info, pornnichexxx.info, or whatever. I would write the post for the main blog, and send the feed to the .infos, that have the post rewriting plugin installed, giving them unique content. And I will link back to the main blog from these. The plugin I will be using has the ability to choose words not to rewrite.
I have the domains, the plugin(its not a free one) and the different hosting accounts, so the cost is nothing, and it will help me to monetize several domains I have that I just don’t have the time to write unique content for. Plus the cost of a .info is much less than a good relevant backlink if I were to buy it.
So what is the hole in my process here? I am already at #11 on G, the top spot on page 2, for the keyword, but being #1 would mean approximately 3k more hits a day. My big worry is it hurts the seo vs helps it. I would be risking about $150-180 a month to gain <1k a month. What am I missing?
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