Get in the habit of looking at and inspecting what's happening re listings and sales in your local area. 

I would add to his list:4.

So I'm in the process of creating an AirBNB listing but would like to make someone else the host so that they would serve as the primary contact.

Hello everyone,I've been closely examining a property listed on Redfin and am curious about the estimated rehab costs for a project of this nature.

Talk to an attorney.

I can talk about this stuff all day.

I’ve seen an investor up here talk about lithe program.

Make sure to respond to reviews guests leave and acknowledge them; builds trust with future potential guests who are considering your listing.

Checkout zipfinder (paid) where you can filter by what you’re talking about! 

If you look at this list and think man I don't know any of these, I'd recommend the best course of action is to look for the most successful people in the industry in your area and try your best to go work for them.