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And I agree with your decision. In our profession there's really no reason to jeopardize our relationship with Google. It's a game of cat and mouse, and Google always catches on to programmers manipulating the system. A good website, blog, social media, youtube video, trade association posts, and updated fresh, original content with the proper tags/links is sufficient, at least in my area. If Google decides to pull my company from local, even for a month, I'm losing prospects and have to invest into an AdWords campaign.