where can i buy yorkie teacup puppies in the northwest suburbs of chicago illinois?

The site below has some puppies like that. Just click on the site and buy a cutie! (Puppies in newspapers are a lot cheaper though)
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http://www.allsmalldogbreeds.com/

Take out a wanted to buy ad in the classifieds. That is how I found my dog
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there is no such breed as a tea cup its just the runt of a poorly bred litter check out your local shelter
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The link below should help you:
http://www.barkrescue.net/teacup.htm
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Try your local China shop - they sell them in sets!

Oh! You mean a dog, silly me! Hate to break it to you but there is no recognized classification as "teacup" when it comes to dogs. Scum looking to profit off of their animals are the only ones who use the term - it's slang for "sickly little runt not bred to standard or for health."

Please invest more time in proper research.

http://www.barkrescue.net/teacup.htm
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Owned by Mutt

http://www.dogdecor.com/dog-teacups.html
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if you get a Yorkie be VERY VERY careful, i had one and he thought he was a killer dog… so he seen some bid dog and squeezed, yes SQUEEZED through the gate, and then killed him. they are very small and males are runners.. be careful
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it happen to me

That's easy….NOWHERE! There is no such thing as a teacup Yorkie. It's a marketing term used by unethical breeders to describe dogs bred to be extremely small with no regard for the overall health of the animal. Something NO reputable breeder would ever do.

I would suggest that before you actively try to acquire a dog of any type, you take the time to educateyourself on the breed first. It will only benefit you in the long run by giving you the information you need to make a wise decision and avoid being taken advantage of.
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Yorkie breeder 10+ years