I was thinking it is proof of Financing but was not completely sure.

Step 1: buy Dave Lindahl's book "Multifamily Millions", Steve Berges "The Complete Guide to Buying and Selling Apartment Buildings". 

(d) Whether asserted as a claim or counterclaim, a tenant may recover damages directly arising from a breach of the warranty of habitability, which may include, but are not limited to, any reduction in the fair rental value of the dwelling unit, in any court of competent jurisdiction.(2) If a rental agreement contains a provision for either party in an action related to the rental agreement to obtain attorney fees and costs, then the prevailing party in any action brought under this part 5 shall be entitled to recover reasonable attorney fees and costs.HISTORY: Source: L. 2008: Entire part added, p. 1824, § 3, effective September 1.Gail

Would love to get some schooling from you more experienced Pro's out there on the best completely legal and ethical way to structure this.

We did a complete rehab on a single family and it made sense to add central air.

I wouldn't have money for the rehab, but taking ownership of the house by the deadline was my priority because I'd then have time for the lender's process to complete and then refinance.

The two managing partners left egg on our face when they were placed into direct contact with the Sellers, and just disappeared from all communication when they claimed to want to schedule a walk through. 

paid the back taxes during the redemption period - would they become the sole owner or would the remaining heirs still have a claim?

Is this something to completely avoid?

Any idea what the minimum requirements are to claim something as a primary residence?