That seems to be the main reason he left.

This investment was mainly for the new washer and dryer units in every property.

The main objective is regulation and taxation.

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. 

After I learnt what I had to by making mistakes, hosting open houses, and closing a few deals - I switched to another brokerage that dealt mainly with offmarket properties and investors (both residential and commercial). 

Codie Sanchez will get you motivated, I just ordered her new book Main Street Millionaire, but have not read it yet.Sail with the wind, not against it. 

Currently, we have a 200-amp service to the building, split into two 100-amp main panels for each unit.

If family lives in the main home and friends stay for free in the garage, the property remains a primary residence, but there’s no rental income or tax benefits.

From my experience (being on the DNC list and getting dozens of telemarketing calls a week) the main strategy is to ignore it and call everyone anyway.