If you want appreciation, identify markets with expanding industries, positive growth trends, and bright economic forecasts.Read this article on the "core 4".

A new article came out showing Philadelphia investor saw the largest capital gains on their flip of 136% and Montgomery County seeing 78% gains (ranking 12th in the nation).

Whether is taking his "course", paying for the self written articles about his success or aka writing "puff pieces", buying fake Instagram followers, sitting on FB marketplace trying to get someone to pay for a house they don't know is condemnable and pay to have DJ remodel it and DJ never completing the remodel,  him spending an enormous time defending himself in small claims court, and threatening charges on  people that don't know law so they pay what he wants.All of those examples came from either my observation, experience, or other peoples reviews of him.The guy rented me a condemnable property.

This allowed them to grow their RV park portfolio even further.In determining how to select a cost segregation company to work with, here is an article that may help.

The article has some great graphs that are informative as they illustrate the housing price trends of 7 major metropolitan areas in the US, including the San Francisco Bay Area over a 20+ year period.

While certainly not as extreme as the examples in the article you shared, I've seen condo owners in many states hit with special assessments. 

I saw your post and links and I also found articles about other states but not for MA.

Quote from @Steven Gesis:   Brian, I read an article in Bloomberg the whole premise of the business plan for a particular operator was a "double pop" and a short-term fix and flip strategy all focused on high velocity  multiple refinance events, floating adjsutable rate and the hope and faith of continued rent growth coupled with low interest rates in multifamily -   I wonder how this is working out for them now.

I would read this article on the "core 4".

Terrific article by WSJ writers about what retirement actually looks like if you are managing rental real estate.