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

If it is covered it's usually if caused by a covered loss meaning mold develops due to some other covered peril. 

I promise you it is cheap for a reason and will only cause problems.First of all, caulk in a bathtub will never last.

Please note that softer woods cause more creosote to build up in the chimney.  

As always, some bad actors cause burdensome regulations for everyone else.Per the Akron Cleveland Association of Realtors:"For example, in Cleveland, a local agent in charge must be identified if the property is not owner-occupied.

But because you rent by the room and YOU SELECTED the roommates (for which the other roommates had no control over), that makes you directly responsible to the other tenants should any harm or damage come to them.  

It will cause you to lose money every single time.

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.

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.

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.