If you need to market and lease slow, I would definitely be putting up signs, as per city code.

It provides legal requirements for the tenant's occupancy and use of the premises, i.e. property alterations, pests, etc.5.

This zip code has some EXTREMELY rough spots, but there are also other parts which have gone through very rapid gentrification.

@Wayne Brooks that'd be Tortious Interference and violates the REALTOR Code of Ethics.

One compromise with your handyman is have him notify the tenant, in addition I would use a coded lock or a lockbox for the key for the handyman.

They often have to have a safety inspection by code enforcement before power will be restored, and often there is so much garbage and vandalism but they are not condemned.

This inheritance will alter that allocation; so, you will likely want to reallocate your total savings based on your goals and abilities.  

Is this a law, regulation, fire and safety code issue, every day common sense OR discrimination ??

When we got started we went onto redfin and literally set a saved search (with our specific investing criteria)for all single family homes in every zip code of the counties we invest in.  

Finding out the surprises are part of your due diligence by getting the right professionals (home inspector, electrician, structural engineer etc)  If you're newer, avoid older houses as they tend to have more surprises and code violations when you start opening up walls.