Once you have the excess money to throw away then you begin to consider spending on life style.

Each neighborhood has it's own distinctive style of home, price point, etc. 

You are, however not exempt from any tests and inspections, the best way to do it and learn is from the inspector, some are dumb, some are stupid, some have the patience to teach you, some just dont care and sign you off; they are just people, and they know their code back to back, so if in doubt, ask them what kind of test they want before you start working on something i.e. rough plumbing with an air test.

RE is very much a "get in and get dirty" style of investing.

https://m.lowes.com/pd/Style-Selections-Natural-Timber-Cinnamon-Porcelain-Floor-and-Wall-Tile-Common-6-in-x-24-in-Actual-5-79-in-x-23-7-in/3477447

Your ALL in cost is only a cup of coffee.I am currently flipping homes in Orange County and teach others how to do so as well.

Not only are you dealing with the challenges that come from such a transaction, but you are also trying to sell and teach the concept to the park owner and possibly RE agent (who probably is not savvy about such terminology).

I'm happy to teach what I do to others we have 2 deals done this year from my "bird dog's".  

Lower every day expenses = you can survive on less income without sacrificing life style, even if the rental market takes a down turn.I hope that helps.

What about renovating his kitchen or maybe he can hire you as a consultant to teach him rei.I guess it's all about intent.