I am still learning and it is my first property so I have my own things I'd like to learn more of such as learning the airbnb system, appearing on first page majority of the time, increasing my occupancy to 95% all year round, and researching direct booking. 

Not a book, but Bill Faeth has a lot of free, good content on his site and YouTube videos.

Once you are on site you can decide if your $20K should be used as a downpayment on a double to house hack (to stop renting), a single to just stop renting, or a single to lease out.

It appears he may be running a ponzi scheme. 

This is a real estate investment forum, so you won’t find many/any people on this site who deploy that strategy.

Check out the website. 

I browsed sites today for an upcoming trip and their inventory is expanding.

as other post mentioned, it appears that its personal property and not real property and taking it over like someone would take over a car. 

In additional to conducting educational workshops, I also write blogposts for their websites.

A better solution, in my opinion, is not to rely on wholesalers,  as not only is it a dying breed due to the sheer incompetence they exhibit due to gurus' wrong instructions and teachings, but, wouldn't it be better to generate your own leads through a high performing website?