Building a single small unit is the most expensive residential development..Here is a list of why adding a single ADU in dingle family zoned areas in my CA market is typically a poor RE investment:1) The value added by the ADU addition is often significantly less than the cost of adding the ADU.

To avoid going through the same poor experience, keep reading.Even if someone gives you a referral here, do NOT make the mistake of assuming that the PMC will meet your expectations, just because they met the expectations of the referral source.In our experience, the #1 mistake owners make when selecting a Property Management Company (PMC) is ASSUMING instead of CONFIRMING.It's often a case of not doing enough research, as they don't know what they don't know!

I found Rich Dad Poor Dad by Robert Kiyosaki and Rental Property Investing by Brandon Turner to be very helpful.

The #1 reason people are poor, is lack of skills, knowledge, wisdom. 

I don't like one-time fees for software (he also says you can't buy it without signing up for his mentor/coaching program) because as a one-shot deal support, updates etc are usually pretty poor. 

Flatline population growth is a sign of a poorly managed state and large or soon to be large, government debts (e.g., Illinois).

Although some people will yell that 'this is mean, of those poor people' it has to be done like this.

To your final point, though, my guess is that we will see a bloodbath before too much longer with the poorly structured Subto/wrap deals.

It appears he had done poor underwriting.  

I made poor judgment when I was younger because I was too quick to pull the trigger on some things.