K.B.
I actually run an art & craft fair at a college in Milwaukee, WI.
Now most events of this kind will NOT let you prompt yourself unless you buy an advertising space in their program. The booths are just for art & crafts vendors. So it really depends on what your home based business is, without further info on what your business is it is hard to point you in the correct direction. We are VERY strict on who we allow in as a vendor, those who sponsor us are allowed to set up a table but they give us thousands to support us... we accept various art and craft type vendors, no food, no store bought kits, no other business types like Mary Kay.
This is where we advertise our event to get vendors: http://midwestartfairs.com/home?page=9
Since you are in IL this would a good place to start. Also just look up online festivals and fairs in your area. That will be a great place to start, then call or e-mail the place to see if you can work something out with them.
http://www.festivals-and-shows.com/illinois-festivals.html
http://www.fairsandfun.com/illinoisfairsandfun.html
http://festivalnet.com/state/illinois/il.html
http://www.craftyshops.com/html/craftshows/Illinois_craft...