One of the cool connections I've made is with someone that has over a million subscribers to his YouTube channel that is now working with me to take my channel to the next level.Proverbs 15:22 teaches, "Plans fail for lack of counsel, but with many advisers they succeed."

Managing real estate, and doing it well, is an entirely different story.I would keep your eyes open for a book that teaches you how to manage well.

The “training” provided by the guru program lacks teaching of real estate principles, real estate finance and real estate law.  

I am going to be the contrarian on this subject.. 1. the pre license course is valuable as it teach's the vocabulary of real estate and the basic laws of your state.. its dirt cheap and one of the better ways to build your foundation. 2.

You should teach a class on "How to Lease a Property". 

Yes, TikTok tax wizards teach you to start payroll on the last week of December and pay your family lump sum for the work they supposedly did during the last 12 months.

Another option if you're looking for something with higher yield than index funds, that's hands off, and will teach you a lot about real estate investing without having to do it yourself could be investing in syndications which is referred to in the book Jonathan recommended.

There are also others who assist in teaching you DD.Another route is to find a broker-dealer who invests in alternative investments like real estate funds as they will have done a lot of DD on the sponsor as well. 

He teaches people to build small, but productive, portfolios.

The other book you mentioned caters more to that audience and gets people hooked on the idea that they can invest in real estate with no money and then teaches them how in subsequent books.