Thinking outside the box, I thought it might be interesting to learn how I could partner with someone who has cash, come to an agreement where I find the deal, they fund the purchase, and then I use the financing that I'm already pre-approved for to put a mortgage on the property and compensate my partner in some form. 

We are having discussions about a "boundary agreement" but I would be very interested in anyones advice regarding this issue.Thanks in advance!

There is no specific language in our purchase agreement regarding the transfer of keys. 

Should reference monthly rent, due date, security deposit, lease term, ANY oddball agreements (i.e. cut grass for $50/mo off of rent), deferred maintenance requests, etc.

Marriage has a legal means of dissolving and splitting assets & liabilities, called divorce.Since you are not married, you have no legal means of dissolving your relationship other than an ugly court battle.Suggest you two have a Partnership Agreement drawn up and executed, to cover how any joint assets and liabilities will be split.BTW: sooooo many people don't think they have to worry about this.

A partnership is a marriage, if it breaks up, it is rarely amicably, and there is always pain, whether it be emotional, psychological, and/or financial.That being said, you need to talk to an attorney to create a well structured partnership agreement.  

If is legal you can send her the lease with the section highlighted saying this is the termination agreement.

As @Jonathan Greene pointed out, it is much easier to evict for upgrading units to re-rent at a higher rate.Like most landlords, I have a one year Lease agreement.

Get them to sign an agreement that upon death their ownership transfers to you. 

@Cindy Auch I don't know what your option agreement look like.