You should use YOUR independent contractor agreement, not yours, and you shold hold off the last 25% or so until YOU are satisfied with all the work. 

Any recent buyers there you can speak with to see what type of Informaton they were given and if they were able to satisfy lender obligations?

By improving the property, cultivating it, or constructing enclosures on the property, the adverse possessor is openly and notoriously claiming title to the property.Title to the adversely possessed real estate passes to the adverse possessor once all of the elements have been satisfied.⁸ An adverse possessor is not required to file an action to quiet title to protect his or her right to the adversely possessed property.2.

We run an inspection company and in order to be satisfied that we were doing a competent inspection we took a training course, got insured, and my husband and step dad(my inspectors) have a construction background.

When someone is rushing me that much, I tend to ask more questions and if I am not satisfied with the answers, walk away.

Are you satisfied with one property?  

If you you satisfied with the apartment, I would go with the investment property.

A true POF letter is the same as a loan committment letter and not normally possible with having first been approved.I offer a pre-approval that *normally* satisfies most seller's need for a solid buyer but if they want a true "cash buyer" even a POF from a lender may not suffice.If you do a couple deals with the same lender they may offer a POF on future deals.

I was in contract for 36 units from a private seller, but the owner couldn't complete their post renovation occupancy requirement in time to satisfy the lender's requirement.  

Doesn't this satisfy those at the OAR and other governing bodies?