Since your wife is looking to represent retail buyers in the sale of properties, then I'd say the best thing to do first is to find a niche.What type of buyers does she want to work with and can serve best?

Local sheriff's department has a way to search for PENDING LITIGATION, such as DUI, criminal or whatever2.

Then I took it to the sheriff, posted a bond, gave the sheriff department the description of property I wanted seized (exclusively I would give them the debtors vehicle info).

This individual might also have say a retail business.

Call your city police department and download their NO Trespass form.  

I did one for a retail store I owned and again for my personal home.Both were great.  

I myself wouldn't risk running afoul of the Department of Revenue.

Monthly expenses are at a minimum, insurances (liability at the very least), taxes, business fees, health department fees, road and infrastructure maintenance (hold back for one-time expenses), management, utilities, advertising, etc.  

What investor out there (aside from investors that buy turn-key properties) are looking to pay retail?  

It will take patience and many hours of sitting down at the city department of Licenses and Inspections.