I would suggest these while you wait to return, in no particular order:
Understand the r.e. cycle and the business/credit cycle, so it is not working against you.
Start learning about macro economics and never stop, so you can diversify all your future profits.
Hone in on your target market and start to learn what constitutes "value" in that market. Review new listings, figure out desirable neighborhoods etc, etc, basically be the expert in your neighborhood so you know a good value when you see it.
Expect to do all the work yourself, besides the obvious, (electrical), not to save money but to learn.
Tap into existing local resources(others on this site, etc) and ask for contacts(team members) to start building your network.
Don't loose money!(obvious) but that means buying deep value and understanding rehab costs, plus profit and buffer.
NEVER pay for mentorship, you don't need it! You can get plenty of support here and anyone who has actually "made it" in
r.e.would not need to charge you for advice.
Lots more but good start,