Rent a temporary construction fence with barbed wire and post "No Trespassing" signs around the property.You could also install a cheap alarm that would scare them off when the horn sounds loud.

Is it a temporary stay for training/internship?   

Or for house flippers or home builders to get some temporary shelter and kick the can down the road. lending PM at 10% is giving your money away in today's market.

Considering she is a new tenant and at this time should of had the money prepared to pay October rent regardless of the situation my guess is she is simply using you as a temporary cushion rather than  understanding where her priorities really are.

Your move to NJ (if that would be the case) would be temporary.

I’m looking for something I can control remotely that also has a temporary passcode features that I can provide to guests.I’ve been into a few and I’m considering the August Pro smart lock.Any thoughts or suggestions?

You might have to bite the bullet and invest in a temporary privacy screen to put up when you need to.

@Kevin Lefeuvre, I ended up using VRCalendarPro but it was only supposed to be a temporary fix as I got pretty busy with rehabbing other units and being over 95% booked on my Airbnb’s I didn’t get back to it as it wasn’t priority #1.

Typically up until 180 days is temporary housing, beyond that is permanent. 

But I'd assert that medical issues are you greatest risk of loosing the wealth you have created.I had to buy my own health care plan starting in the mid 1990s when I went from working in Corporate America (which provided health care coverage) to working for a small temporary help agency (which did not).