(Mental health issues have been identified from tenant's sister). 

So lets have this exceltable how the house appreciation performs since 2009 :Bay Area    6.9%San Diego  6.5%Kansas City 3.2%Nationwide Average 3.1%Typical Inflation every year 2.9%..Indianapolis,IN 1.8% (just for illustration ,not accurate)Birmingham,AL  1.5%  (just for illustration,not accurate) There's a metro that's accelerating double in the inflation rate, that's where you see the highest acceleration.

I would contact Child Services, and start an emergency eviction for health & safety reasons.

When you acquire any property (inherited, purchase, etc.) always do a health and safety inspection because some tenants will put up with things for months or even years and will only raise a ruckus when you increase the rent or won't renew their lease.Good luck!

You may be able to evict during COVID using health & safety as reason.

Engaging 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 Lease that otherwise jeopardizes the health, safety or welfare of the Landlord, his Agents or Tenants. 

If the home is located in an HOA I would verify the HOA fees and their financial health. 

I never made more than $60k working and wouldn’t have had health insurance if I hadn’t married a nurse.

I hold a bachelors degree in health care administration and most of my work experience revolves around working in the health care industry, either military or civilian.

Landlording 101 hitting on this one, you are now going to be covering the items of functionality, life safety and health.