I don't see it appropriate for trying to buy NPN i don't know a lender that would knowingly lend into a NPN or foreclosure situation.Let me describe how we made Hypo's work and our commerical bank would provide the funds..

If I am starting an investment real estate portfolio, and I am ask for a $100,000 investment, then what is an appropriate return for the investor?

Or does the bank account activity not matter as much as long as it's reported on tax returns appropriately? 

How do you help the lender select the appropriate appraisal firm?

., demolish existing structures using a professional demolition company that follows all local regulations. (3) Move utility connections (stubs) to an appropriate access point. (3) Grade, gravel and fence the lot. (4) Hold as needed. (5) Resell.

Form it with the appropriate state, and get an EIN with the IRS.

As long as the numbers work and you have appropriate reserves, I would say go for it. 

My goal is to grow the company to a decent size so laying things out appropriately now is crucial.

Absolutely appropriate for a mid century modern in CA.

More like 1200-2500$ would be appropriate for an investor.