I think your last point about starting near infrastructure and moving backwards is very interesting.How much value do you put on a property being on a main vs side street?

My wife and I own four units and we’re making the jump to double digits. Do you take out a second mortgage on an Airbnb that you never wish to sell that’s almost paid off  or do you take out 100 grand against your pri...

Its certainly not "guaranteed return" - thats a word to always stay away from in real estate (in finance or even investing in general)high level - its because HMLs are going to be secured by the real estate, meaning in event of default, the lender can get the property to be made whole - somewhat trust is involved, but thats the main mechanism behind it

Plex has some rough areas but mine are on the main road full of apartments for students.  

The main objective is regulation and taxation.

I think the main thing would be access to the books to make sure of the expenses.

What is the main hang-up with financing, when it comes to adding bedrooms?

I have not seen any "main stream" versions of this just back country engineering but it's a solid concept and works well. 

That seems to be the main reason he left.

A few of us work in that area of Maine.