Your best bet is to ensure that there are no material modifications that would in any way harm or even moderately delay the ability to rent it out and qualify as a normal SFR (one lease, one family) or sell on the market to an owner-occupant

Huge plus side is it’s free so if you hate it no harm no foul.  

This was not disclosed to me before the purchase and now I'm finding myself in a situation that could end in serious financial harm to myself. 

Please add supporting links, documents or links to sources etc to your response if possible.How were you personally harmed?

If what you say is malicious and untrue, with intent to harm, then of course it's a libel.

If all appears to be in order then there might not be any harm staying with HR Block.

You must complete these new agreements with your tenants without revealing your liability or opening the door to harmful legal claims.

This kind of indecision is harmful when running a business.

We don’t know any PMCs to recommend in the area mentioned, but since selecting the wrong PMC is usually more harmful than selecting a bad tenant, you might want to read our series about “How to Screen a PMC Better than a Tenant”:https://www.biggerpockets.com/member-blogs/3094/91877-how-to-screen-a-pmc-better-than-a-tenant-part-1-services-and-processesWe recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.

We don’t know any PMCs to recommend in the area mentioned, but since selecting the wrong PMC is usually more harmful than selecting a bad tenant, you might want to read our series about “How to Screen a PMC Better than a Tenant”:https://www.biggerpockets.com/member-blogs/3094/91877-how-to-screen-a-pmc-better-than-a-tenant-part-1-services-and-processesWe recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.