Is there a way to buy 1,000 *real* followers who won't unfollow when I don't follow back?

I'm currently using YouLikeHits and I'm getting about 30 followers a day doing that. I'd like to get a thousand real quick, but I want them to be real accounts. Is there a service that is best for something like this?

you can use 2 free bots
http://twittermoneybot.com#__FR??_edition__

and a bot from a second bhw user /javaman
http://www.blackhatworld.com/blackhat-seo/social-networking-sites/804727-get-twitter-bot.html

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