This raises a question because we had a lease agreement on file showing a rental amount of $2,000 per month."

None were a match for me personally and many were not a strategy I wanted or too speculative (such as opportunistic strategy which is the riskiest strategy or investing in tertiary markets which also tend to be the first to go belly up when there is trouble etc).You probably actually want to look at your operating agreement to see what rights you have to books and records, etc. 

In this scenario we represent our buyers with a Buyers agreement and send them the deal and get it wrapped up.

General area and property class would be needed at a minimum for anyone to offer an intelligent response. 

Quote from @Bob Dole: Quote from @Aaron Zimmerman: Quote from @Bob Dole: @Daniel Kazakos I think we're all in agreement on cost segregation.  

I wouldn't have brought a plumber out for a smell like this without tenant's agreement to pay if nothing was wrong. 

Airbnb with a minimum of 1 month stay could be a good reference too. 

Here’s how this can be managed:Fixed Income Rights Agreements: The terms of the agreement are locked in when the deal is made.

The lease should automatically switch to a month to month agreement after the expiration of the 1 yr. agreement.

To establish a 50-50 ownership in both the property and future profits, you'll need a formal agreement outlining each person's contributions and rights.