@Jay Hinrichs has posted on that in the past.Many people like to try and hide their identity because of the spotlight effect which refers to how people often overestimate how much others notice (or care about) them, effectively inflating their own importance in society. 

He's one of the most efficient, effective & solution-oriented experts I've ever worked with.

At the heart of effective property management lies the ability to balance the competing interests of three critical stakeholders: owners, tenants, and vendors.

It also greatly effects the STR and MTR market with the BMT graduations, etc… The last few years have been very slow and the rental market has been flooded with investors at the same time.

The effect of this process is that the portfolio is constantly improving by retaining the best properties and jetison the under performers.I've bought and sold over 1,000 properties, and people always ask me "How many doors?" 

I don't know how much more cost effective a one off modular  house will be.

Each parcel can host up to two units, effectively enabling up to four units on what was previously a single-family lot.

Tons of double sided tape used which results in a fair amount of extra effort to restore (most cases paint comes right off the wall requiring patching sanding etc, some cases Good-off was effective.

@Peter Mckernan Love the way you did that deal and agree that those deals exist both on market and off market you just have to be able to look for them in an effective way and add creativity. 

However, many times its just not practical or cost effective to put the work into it because in many cases its not easy to do.