I was also not trying to present directly anything concrete to her as to direction we were trying to move the property.

Newer concrete block houses are not as expensive (but not cheap).  

Remember "be consistent and take massive action"https://www.biggerpockets.com/forums/93/topics/136...

I do not, however, want to limit the buy-in in our company to massive amounts of money - we are heavily involved with our communities, and will be marketing towards local investment as well in attempts to improve local economies - so that is why some forms of organization seem ill-fitting (I've been exploring private equity firms this afternoon, for example, but the minimum capital contribution here is 500.000).Thank you for the recommendation and the link to the interview - I will pick up on that soon.

Whether it's 6 or 10 years makes a MASSIVE difference on financing.

It ended up costing around 12k extra in engineering, concrete, piers, etc. 

Turns out the pipe T's right under our concrete patio and opening towards the house ...

I think a written offer may jolt him out of his indecision, or at least make the offer seem more concrete and an actual option for him to put it behind him while also making a great profit.Will definitely continue to follow up and I will keep you updated.Thanks again for the advice guys.

Foundation is good (solid concrete with no visible signs of wear or patching), and fire system is from 2003.  

You will be looking at some massively negative cash flow here.