We have a property management company in New Jersey where we make some of our best clients hundreds of thousands of dollars between helping them force appreciation, increase cash flow, finding them deals etc.

Quote from @Pankaj Malik: Update - Tenant has now requested County mediation to help resolve the dispute.

It's a relationship game more than anything, so if you're building strong relationships with them and providing a consistent product, you'll be golden.

I'd love to connect and see what products you have to offer.Cheers!

My tenants, who have been in the property for close to three years, have become totally unresponsive. They pay their rent on time, but have not responded to any emails since October. I understand I cannot legally requ...

What helped me tremendously in the beginning was to sit an open house every weekend.  

Who is he "helping"?

You generally would find that depending on what deals you have at the other end of the table best helps decide this answer.

Typical cost for the setup would be in the $15,000 range which would include production of the Private Placement Memorandum, Subscription Agreement, and Operating Agreement, Investor Qualification Forms, as well as filing Form D with the SEC, and state “Blue Sky” filings in those states where your investors reside. 

Point out the insurance hurdles could help your case.