Antone know were a salon does hair extensions in IL that is 100 dollars or less?

My question said it all. Thanks for yous time.Antone know were a salon does hair extensions in IL that is 100 dollars or less?
ok well i know where you can buy clip in real hair extensions for 70 bucks. there really nice i use them and no one can tell there not my real hair. its called sallys beauty supply store. im not sure if they have one in IL but they might. you can go to the website www.sallys.com (im pretty sure thats it). check them out.