In your case, the partnership is a reason to have asset protection in place.Here is a diagram that should give you some more insight, although it doesn't bring into play the partnership question, which complicates things:

This is also the notice period for terminating a written lease for anything other than non-payment of rent (unless written lease says otherwise).If you are going to play the game (landlord-tenant), you should know the rules.

I would think they would be able to play the we have not found a place to go to with 6 foster kids, 1 biological kid, husband and wife for a long time. 

Any advise on how to play the angle?

Get out of it...move on with the cash you have left, and recover the funds you put into the previous deal...plus profits, in the next deal.You can't play the next hand with no chips...and you can't do the next deal, with no money.Money is a verb, not a noun...when your money becomes a noun...you lose.

Perhaps I didn't mention it in the diatribe above but while protection of your current holdings is majorly important, it isn't everything, unless you play the ultra-conservative playstyle.

Gives a brief overview of a lot of different ways to play the real estate game. 

You make your money when you buy, don't overbid and play the appraisal game.

If you wanted to get fancy you can play the arbitrage game: You should divert your money to investments if they yield (e.g.) 7% but your loan is at 6% interest rate.

You just have to be cognizant of the rules.In order to play the game you need to know the rules and how others manipulate them.