If you're clear about your expectations then that's their issue.

There's a good chance the issue(s) you face has already been discussed and answered.Ask questions in the appropriate forum.

The interior was outdated, the landscaping was overgrown, and several deferred maintenance issues were apparent.

STRERSSA collect rents in their bank account is an issue for me.

The issue I have seen with these types of properties is they could have two valuations - the value of the real estate which the structures will have little value and you have the land the other is as an operating business just like a bed and breakfast would have - real estate has value but it operates a business now you mention 12k / month but if someone also has to manage the property what is that worth and what would someone pay to manage a property like this?

There's a good chance the issue(s) you face has already been discussed and answered.Ask questions in the appropriate forum.

The attorney representing the owners of the office downstairs were threatening to sue me.So, I engaged my attorney to deal with the issue.  

Another issue is that many lenders do not lend below 630-650 FICO/credit score. 

The interior was outdated, the landscaping was overgrown, and several deferred maintenance issues were apparent.

I am in Milwaukee, very hot rental market.Whenever you have an issue like this, think with an XLS and project dollars, for example:- 2 months lost rent: 2 x $2000- 5% lower purchase price: $15,000