As you already know homeowners/tenants can have several health benefits by having a clean home and that CURVE APPEAL is a great plus.

In many places, you can still evict for health & hazard lease violations.

Deliberately have a few challenges in your screening process - it will weed out "entitlement mentality" problems4) Allow payment plans, but create system to track when payments due, so they don't keep falling further behind You will need to call them on due dates or they will fall further behind Be prepared to give a strong NO when asked if you will change rent due dates to "make it easier" for tenants to pay rent based upon their SSI or paycheck dates.

This is now a public health issue. 

Investing requires patience and mental strength.

They will only want to tell you about the health of your system and not be trying to sell you parts or a whole new system.

Are they in mental decline, hopelessly stupid, or arrogant about their own property to the point of blindness?

Not unless someone files a police report, which we can then use to start health & safety eviction.

Deliberately have a few challenges in your screening process - it will weed out "entitlement mentality" problems4) Allow payment plans, but create system to track when payments due, so they don't keep falling further behind You will need to call them on due dates or they will fall further behind Be prepared to give a strong NO when asked if you will change rent due dates to "make it easier" for tenants to pay rent based upon their SSI or paycheck dates.

At this point the tenant should agree, if not, I would insist so that her health is taken care of  and you don't have to stress any more.