Pour your resources into expanding that.

Lately, he's been saying he wants to make more money and get into the investment game but he has limited capital (he has access to a HELOC for $60K at 6%).

You won't be able to access the MLS without one.  

A lot of forum members are very knowledgeable in their respective fields related to real estate investing, whether that is real estate sales, wholesaling, flipping, rentals, lending, self-directed IRA and Solo 401k investing, or tax and legal guidance.Discounts on some products and services are offered to BP members: https://www.biggerpockets.com/perks/proAlerts can be really helpful too: http://www.biggerpockets.com/alertsThere are a few self-contained guides that you can access here: https://www.biggerpockets.com/guides

Texas accessibility standards ADA For us) don't require a tub in a residence.

A lot of forum members are very knowledgeable in their respective fields related to real estate investing, whether that is real estate sales, wholesaling, flipping, rentals, lending, self-directed IRA and Solo 401k investing, or tax and legal guidance.If you haven’t been to it already, you might want to check out the BP blog: https://www.biggerpockets.com/renewsblog/Alerts can be really helpful too: http://www.biggerpockets.com/alertsThere are a few self-contained guides that you can access here: https://www.biggerpockets.com/guides

Is anyone familiar on how to access an absentee owner lists in Illinois?

So I am seeking to relocate and expand my business to the Columbus OH area.

How much money do I have access to?

Yes to most of the above; we have access to 10 years of taxes paid or unpaid.