I would not utilize room count as your allocation method- it's too vague.

I know most of the basics but will not work on electrical or plumbing. 

There are some differences in zoning laws but the methods of finding out about the zoning is the same in each, the methods of going before the planning, zoning, and select boards is the same.

Have your writing methods changed since you left school? 

Turnkey is a purchase method, nothing more.

"Forced appreciation" is an excellent method to build a "buy and hold" portfolio.

Look for Issues With Heat, Plumbing, or Electrical4.

 $185.  2005 is a pretty new house but the hvac, appliances and even the plumbing fixtures with hard water can easily be at the end of their lifespan. 

Does anyone on here have experience with remotely investing with either of those methods? 

Then simply lock it up in their name or a new entity name and give to them for your fee.If you do go the double close/transactional funding method, get your funds lined up earlier rather than later.