Buyers are Liars"  And I guess the same can be said for sellers to when they do not divulge items they know. 

What about something like this: https://www.realtor.com/realestateandhomes-detail/3032-Glenm...?

Verifying last 2 years of rental history and income extremely important to find the “best of the worst”.Make sure you understand the Class of properties you are looking at and the corresponding results to expect.The City of Detroit has 183 Neighborhoods we’ve analyzed.DM us if you’d like to discuss this logical approach in greater detail! 

Every adult must be screened and approved, period.Here's a detailed guide on how to screen applicants: Application Screening Guide

Start by serving proper notice of the management change and request payment details.

I don’t know  the specific details of your situation, but there are other considerations and options as well.

With that being said, in a worst case scenario, you can always hire a property management company to handle the day to day items if it comes to that. 

I would get with the city asap and find out all the details on this.It could be possible that if the LLC changes hands that it loses it's exemption.

The loan does need to be secured by the property being improved if we are talking about a personal residence and personal itemized deductions on Schedule A.

If I scale to a point where I no longer have time and have to outsource, that line item is already accounted for and the property will still be profitable.