Cleveland and Lubbock are both good options to explore, but also consider areas with strong job sectors, like Indianapolis or parts of the Southeast.Researching Demographics: Tools like Placer.ai, Costar, and Data USA offer insights on demographics, migration trends, income, and market growth.

I've heard that DealMachine is becoming the go-to tool for this kind of data, but I've also noticed some strong results coming from Crexi lately.It seems like Crexi has a more multifamily-focused platform, while DealMachine is often geared toward wholesalers.

I am learning but am struggling to tie tools, etc, together to understand a deal.  

I agree with @Jonathan Greene here that the first step is thinking through what to do with the primary residence - you might try this tool that I built a few months ago to analyze whether you should keep or sell the primary residence! 

They have decent PM tools. 

It’s all about positioning yourself for long-term gains, and with your current knowledge and tools, you’re in a great spot to make that happen!

Seconding what @Jonathan Greene said, you have a powerful tool for house hacking when you get back.

Giving the recurring issues with labor quality and scarcity, would you say automation tools like construction 3d printing or other tech are worth exploring?

No jazzy tools, BS booklets, word-salad info whatever's, just BE OF SERVICE. 

BP has various tools to help you analyze your deals (rentals, flips, wholesale, etc). : https://www.biggerpockets.com/investment-calculators7.