What about a duplex in Sav like this: https://www.realtor.com/realestateandhomes-detail/1514-Augus...?

I'm glad to see there are possibilities to invest remotely.We are considering a future project in the United States, specifically in Florida, Texas, or California.

The problem is no one book is going to be detailed enough for your specific state and county.Right here on BP there are lots of discussions about tax liens.

Keep in mind my comments were given with only knowing the details you provided in a post so I don't want to come across as a know it all. 

Short Picture: Instead of dumping 300K out of a brokerage account all at once, how about you find another investment you are comfortable with, multifamily specifically, and only withdraw the needed funds for the down payment on it from your brokerage account. 

After doing what I felt was enough research—even though the sales pitch was a bit pushy—I decided to move forward.Their pamphlet outlined several guarantees and provided additional details.

Specifically I am trying to figure out the best vehicle through which to conduct our REI.

If you want to network or ask specific questions about your local market, go to your local real estate forum and connect with investors from your area: https://www.biggerpockets.com/forums/86-local-real-estate-networking5.

It's definitely one of those issues that is very specific, and would need to be worked out with Planning.

There are a lot of market-specific issues you'll have to grapple with and also, there are plenty of landmines in MFR on its own in CT that you'll have to be ready for, in addition to the nuances and complexities of developing something like this.