She'll treat you like a gem an as soon as you invite them into your team and threat her/ him the same way.

Also ask the County Health Dept if Sewer is available or if you'll need Septic Systems.That will get you started.

Quote from @Prajita Niraula: She's not leaving because you don't pose a serious threat to her.

Fear no tenant--accept no threats. 

As mentioned above, you have multiple options to consider but the 3 main ones are HELCO, cash ur refi, sell and trade up via 1031.before going down that road you will want to take a deep dive into your current properties health.

Due to her health and age we are considering to let her move in with us and convert her property into a rental.  

The premise is this: having a large number of clients who add little value hurts your productivity and mental health (now matter how much collective revenue they are bringing in).

Reserve pension is still better than no pension and you would still get base access and health insurance benefits.

In fact for shared housing in MA, it seems the vast majority are health travelers to Boston.

I get threats of being sued regularly, including this week.