One thing the article doesn’t mention is politics. If you move to a place like Washington, or Oregon you will be forced to constantly be on guard for the majority liberal population taking your rights and eventually your property.
In the same way an investor needs to include country risk in this portfolio. There are states that just dream of a new way to tax you. What’s their revenue base, indebtedness, and long term financial outlook? That’s my first question before retiring. Look at Florida. It’s getting pretty Democrat.