His brother's response was something akin to, unless putting wood windows in my house means I'll get $100K more for it when I sell, then we're going with vinyl.When it comes to energy efficiency, I find that folks often only look at whether or not a product is Energy Star rated.  

My previous secretary manages our "production" lines, aggregate production, motor shop, and supply chain, then she graduated to 3 projects (20-30 people per project) doing it only by phone and bi-weekly reports and one foreman meeting each week, but those are more easy, just doing roads and small structures like drains and ditches.

I assume these systems were mostly updates of old octopus systems (fully gravity fed).Local HVAC guys suggest leaving as-is unless someone wants to put AC in - but if we can avoid limiting the (future) borrowers to non-conforming products, that would be good!

Cannot afford specialised attorney.

I provide affordable, safe, and fully functioning housing, and they give me rent payment in exchange.

The department I work for will strip the home of roofing and certain other fixtures and arrange a dumpster to be hauled off as a way to decrease unnecessary smoke products. 

If you have a good product for rehabs, I would look at areas with higher comps.

So depending on your situation, you might have to qualify as if you are fully paying for both properties.All of this is assuming you are looking to use conventional residential mortgage products.

The product I used with them is called a delayed finance or delayed refi.  

Set up a plan and budget go over materials you want and can afford for it figure out whats worth the effort and whats not but of course first things first set up with a hard working A player real estate agent to help you find the best deals.