I don’t care what guru forms you are using, or what they told you.......the “and/or assigns” is old, old methodology. 

Or, to put it in GTD terms, what's my next action when it comes to market research?

I have seen several posts asking for help explaining a concept or methodology.

BP sells a (in my opinion) good book on the methodology and pricing of renovations...might be worth checking out... 

All of the traditional marketing methodologies (bandit signs, direct mail, networking with wholesalers, etc) work if you put the time and effort in.Feel free to contact me directly if you have specific questions.  

Even if the intermediary on the sending end of the 8283 is that thorough, the very nature of a Section 170 appraisal could make it open to challenge, since comps subject to the Section 170 methodology are difficult if not impossible to obtain.

Their methodology is fraught with risk, the general public and agents aren't trained to assess a home and the repairs it may need: "ask people to upload photos and answer more questions about the home.

For reference, my process once I've introduced myself to the lender or started the conversation is to have a phone call/ lunch and discuss my business methodology and a few previous deals. 

What is the common methodology of figuring out net income given I pay electricity?

A year of use and I'd realized that their methodology is pretty limited.