I just use an online platform to collect rents automatically. 

(not that you'd want to of course).

Any insights, tips, or words of encouragement would be greatly appreciated.Thank you all for your time and support.

The "old dogs" there keep their mouths shut unless it is to ask for money.My advice is to run from that program, and invest that money is online education, on well known resources such as the Kent Clothier reww system, this Biggerpockets forum, the cheap and inexpensive marketing programs from John Cochran, Chris Prefontaine or many others that will help you to get started without having to spend tens of thousands of dollars on mentoring of people as little genuine as the Groves.In summary, Phil Grove's program will not work for 95% of the people that enroll on it, and out of the other 5%, it will mostly help those that end up in Phil's team.

TIA I look at these things the most when looking for BRRRR cities - Rent-to-Price Ratio: Look for cities where the average rent is high compared to the average mortgage cost- Population and Job Growth: Focus on cities experiencing steady population and job growth, higher than national average- Availability of Distressed Properties: Look for cities with a supply of pre-foreclosures, short sales, and abandoned propertiesNormally bigger cities in those states should do well, houses are still somewhat affordable (comparatively) and if you do a big rehab it'll pay offThank you, @Mary Ainsworth for very valuable tips!

This should include details about your investment strategy, expected capital injection, risk management measures, and potential ROI.Networking Events and Meetups: While leveraging online platforms, don't overlook the power of face-to-face interactions.

Of course you have!

I am interested in recommendations for online courses or books (or other sources of information) that people have found useful. 

Of course, with all things, the answers to all these matters will depend on the circumstances.California tends to have more laws on the books and requirements and restrictions that it can be a good idea to form a CA LLC for out of state property so that you as a CA resident are covered, and to try to have your contracts fall under the purview of CA courts.

Of course, this is America and anyone can sue anyone for any reason.