Agents don't want to get buyers who give them the run around, so they use this document as a way to ensure they aren't wasting time. 

Ensure to double-check what you expect the After Repair Value to be, so you can know, or have a good idea going into the deal, if you will get all of your cash back, or what amount you can expect to get back. 

They ensure that every point of contact on their service chain and their associates--lender, title, notary, remodel-- is extremely professional and painless as possible. 

How do I go about ensuring that at the time of closing, the total cost of fixing plus my fee for the fixing and coordination gets into escrow and I get pay out at the time of close and my brother only gets the remainder from this sale?

If those are the requirements you have for ensuring that a deal will cash flow, and possibly cash flow better than your conservative projections, then stay true to them.

The best way to answer your question is to give it a try, track your data, and perfect your strategy as you go.

This is just my experience with HELOCs, I’m not licensed to give any kind of financial advice, check with your accountant or financial advisor to ensure you are utilizing the correct financial products to reach your goals.

The widow is in poor health, and the son is focused on taking care of his mother. no current income/expense data.

I am working with our attorney to ensure that is truly the case. 

Ensure you set minimum criteria for Cash Flow in your Analysis.