I've lost friends and family to substance abuse so it seemed like an opportunity to do some good and make money in the process.I negotiated a sweet deal, and was prepared to buy it myself, but a few of my clients expressed interest and I ended up helping two of them form a partnership.

Keep in mind that when wanting to do this with a mortgage banks first want to see substance and at least one yearly balance statement.

One bad situation can harm all the properties.

I am asking anyone knowledgeable to provide any measures or strategies that could materially make a difference in heading off the risk of serious financial harm of the eviction process with non-paying tenants.

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.

No harm no foul.

Check your lease, but in any standard lease, there will be some clause that says they have to abide by laws and/or not bother their neighbors or cause disturbances, etc.This means, you can say they have violated their lease - which then gives you the right to give them a remedy or quit notice.I have to agree with the others - even if they are sweet, and the notice of violations only boil down to the dogs running around and not necessarily doing any kind of harm - they are now your liability.  

If you give contractors a prize for finishing early on time, they will finish then to get the prize, but there is plenty that can be left undone without you knowing that will harm you later.

So if there is any kind of physical harm to the tenant say due to slipping on the stairs etc. the tenants renter insurance will cover the medical cost.

As is often the case, it harm low-income populations most.