Illinois is a great state to whitetail hunt. I would find the bedding and feeding areas and set up in between. With that being said, I would try setting up closer to the bedding area, but great care should be taken in the entry and exit routes. The deer will be on high alert.
As far as calls are concerned, I would use them very sparingly. If you see a big buck and don't think you'll get an opportunity, try a can call or grunt tube. Other than that, I wouldn't even use a call.
Being a bowhunting I've always been fanatical about scent control. Whether it's sprays, carbon clothing etc. I've tried it. The best thing that I have found for eliminating human scent is Betadine. It's been used in hospitals and homes for decades as a defense against infections on minor scrapes and burns. It can typically be found near the pharmacy in any of the major "one stop shop" stores, and a bottle will last multiple hunting seasons.
Before every hunt possible I...