I do not know the legality behind not being able to change locks if the property has not been occupied, but do not see the harm in trying to secure your property in the meantime.  

Yes, as usually happens, laws designed to "protect" people (eg discrimination) end up indirectly harming those they meant to protect. 

After all the sole focus is collect your rent so who cares if this does actually exist and could do harm both mentality and physically. 

They are have a wealth of issues (untreated mental illness/substance abuse etc) that would need to be addressed before suitable housing could be found.

Pithy [ pith-ee ] SEE MORE SYNONYMS FOR pithy ON THESAURUS.COM adjective: brief, forceful, and meaningful in expression; full of vigor, substance, or meaning; terse; forcible: a pithy observation."

I don't want to make this a political post by calling out specific policies or political actions that have been harmful to economic expansion in the area.3) I agree with the infrastructure issue in the area.

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.

What not to like about PEX, taken from page 6 of next link:"Do not spray on or allow organic (petroleum-based) chemicals, petroleum distillates, termiticides or pesticides to come into contact with PEX pipes, otherwise permeation of harmful chemicals may occur through the pipe wall and contaminate drinking water."

But it was pretty scary knowing that some of these people did not have a lot to lose and they could easily come down to my door and cause a great deal of harm to me persoanlly or property wise.

All sounds good...my best purchases were from people with “ past substance issues”.