Some things to consider...detergents with phosphates, chemicals or heavy cleaners will harm the helpful bacteria in the septic system.

They have to prove they were "harmed".

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.

Yes, mold will die from desecration, but if it get moist it can became harmful.

If we don't find a buyer we just part ways no harm no foul.

NOTE I'm not a tax professional, please verify this info with someone who is, this is my best understanding of tax advantagesWorking with a Broker: Personally, once deals get into creative finance, I think agents and brokers do more harm than good unless they've bought using creative finance themselves.

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.

I believe I know just enough to be dangerous yet I know the math to keep me out of harms way

But hey, no harm in sounding out the owner, before finalizing your end-game strategy... 

In any case there's no harm in trying.