Then he continued on to say that tomorrow he is planning to drive a truck onto the lawn in order to facilitate his move.

One that can facilitate a double/simultaneousl closing.

For a monthly fee PM's can facilitate this.

I use a universal booking company called Evolve to facilitate those efforts. 

So, if the buyer or the third-party facilitator knew of a subsequent deal and they signed it, there would be repercussions.

They also can facilitate handymen/contractors. depending on how hands off you want to be.

I’m looking for a contract that anyone has used to facilitate this relationship?

There was a TON of work put in on your behalf by our team (the original sellers only), at no additional cost to you, to facilitate this transition.  

My wife and I are getting into REI (she already has a property management company/license) so I am getting my license to primarily facilitate our own deals and work from home.

.- Residential / Commercial- Purchase / Refinance- Debt / Equity- Flip / Rental PropertyEach month,PrivateLenders.com facilitates over $3 Billion in funding EXCLUSIVELY for real estate investors.You can use it at NO COST!