She asked for advice about dealing with an inherited tenant, possibly treating her, and her investment poorly, and how to deal with it. 

If you have an old home with known deferred maintenance in a C/D area where tenant quality is poor, you may want to keep a higher cash reserve.For my rental I planned to save 3 months gross rents as a cash reserve to be used for vacancies, repairs, capEx, etc. 

More importantly, I'd rather have a 2BR/1BA with a good layout than a chopped-up, poorly laid-out 3BR/2BA.  

“Drug-related illegal activity” means the illegal manufacture, sale, distribution, purchase, USE, or possession with intent to manufacture, sell distribute, or USE of a controlled substance (as defined in Section 102 or the Controlled Substance Act (21 U.S.C. 8002) or possession of drug paraphernalia.2.Resident, any member of the resident’s household or guest or other person under the resident’s control shall not engage in any act intended to facilitate illegal activity, including drug-related illegal activity, on or near the said premises.3.Resident or members of the household will not permit the dwelling to be used for, or to facilitate illegal activity, including drug-related illegal activity, regardless of whether the individual engaging in such activity is a member of the household.4.Resident or members of the household will not engage in the manufacture, sale or distribution of illegal drugs at any locations, whether on or near the dwelling unit premises, or otherwise.5.Resident, any members of the resident’s household, or a guest or other person under the resident’s control shall not engage in acts of violence, or threats of violence, including but not limited to the unlawful discharge of firearms, prostitution, criminal street gang activity, intimidation, or any other breach of the housing agreement that the other wise jeopardizes the health safety or welfare of the landlord, his agents, or tenants.6.VIOLATION OF THE ABOVE PROVISIONS SHALL BE A MATERIAL VIOLATION OF THE HOUSING AGREEMENT AND GOOD CAUSE FOR TEMINATION OF TENANCY.

Decide whether the tree is aesthetically pleasing and adds value to the property, or if it would be better to take it out and make a change to the landscape design.Hire a qualified arborist to examine the tree and give a professional opinion about it's health and whether it poses a danger to property or people.If the tree passes muster, then ask the arborist for guidance on how to best take care of the tree.

The tenant has lived there for 5+ years, and the condition of the home is poor, with numerous items in need of repair, which are often difficult to fix due to the tenant's clutter status (approaching hoarder levels).I have come to the decision that it would be easiest to not renew the tenant's lease, get them and their clutter cleared out, and begin repair work on the issues that are sure to deteriorate further in the near future.

@Kristina Heimstaedt This comment aged poorly

Monthly expenses are at a minimum, insurances (liability at the very least), taxes, business fees, health department fees, road and infrastructure maintenance (hold back for one-time expenses), management, utilities, advertising, etc.  

She also acknowledged that she didnt clean the apartment as required.She moved out in Nov 2016 and we sent the bill in Mar 2017 (due to having to deal with personal health issues and etc).

I'm not sure if this gives off a poor odor or not, to others.