http://lifehacker.com/5966635/how-to-weed-out-a-good-contractor-from-the-bad
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US residents can opt out of "sales" of personal data.
As we've gone over before, there are some jobs that you probably should not DIY. Everybody's gotta call a pro sometime. But do your due diligence before you let a contractor get to work. The experts at Stack Exchange tell you how.
http://lifehacker.com/5966635/how-to-weed-out-a-good-contractor-from-the-bad