If your manager is just 'keeping an eye' on things, collecting/reminding on a few rents here and there and some light cleanup while being compensated in free or reduced space rent then classifying them as 1099 subcontractor is great. 

I don't want to doubt them or call them out, but last year I had to explain to them HoH rules (that you can actually claim HoH without claiming a dependent with a Qualifying Person--common in divorces-) and ask them to take it to the CPA who signs off on my returns.

I take a picture of their driver's license.I ask for phone numbers that accept texts and any alternate land or business phone numbers.I ask for the names and birth dates of anyone under 18, and ask if there are any service / emotional support animals, together with their names and breeds.I also ask for personal references, previous landlord contact info (and length of time there), employer contact info (and how long there, together with earnings), as well as the name and contact information for their manager / boss.

$6k tax.Ins,hoa, not to mention utilities . took out a HELOC off of our personal home ( res.worth $900k, and a 260sq ft studio, mtr. $1450 mo.) for$ 220,000 for the deposit.

Would a HELOC or home equity loan on my personal home be a good idea to fund this?  

I wouldn't spend another moment of my personal time on it. 

The person leaving the trailer there is just to store it there.

If you have, you have put yourself at great personal risk.Again, I recommend you get a lawyer as soon as possible.

@Erica King Sounds like this is more of a personal budgeting concern rather than a real estate one.

@Marc Zak Using an LLC for each property provides strong liability protection by isolating risks to individual assets, with income and expenses flowing through to your personal taxes on Schedule E.