Any advise on materials?

Our clients have found them to be much cheaper and easier to work with then the alternatives

In Georgia my average materials cost on a new roof is $2,850.

I am not sure ... that is your call.Being experienced, as I see you are, using an MLS Flat Fee Listing company is by far the best alternative.

Have you considered selling the home with seller financing/subject to as an alternative way to gain income/ unlock equity?

While it requires careful consideration, delving into these alternatives can pave the way for successful investments.

Alternatively, we'd be willing to secure the loan (or some portion of it) with our rental property in Texas.  

Speaking for myself I would never consider a Sub2 unless I knew I had alternative exit strategies to take out that underlying mortgage either by private money, conventional, or other routes.What is the significance of the " default judgement states," versus what we have here in WA, OR, CA ? 

Only thing I'm not sure of is the old countertop material, but it does look look in the photo. 

Alternatives include the BRRRR (Buy, Rehab, Rent, Refinance, Repeat) strategy and flipping.