Don't be afraid to secret shop a few, either! 

If you haven't read Secrets of the Millionaire Mind by T.

Check out this article about one guy found success doing that in another city -https://www.yahoo.com/travel/how-this-guy-made-200k-on-airbnb-121557429807.htmlPerhaps that could help you in your pursuits and evaluate if airbnb is the way to goThe actor turned investor even offers a video course called Airbnb secrets

@Jeremy Davis , I can tell you our secrets but then I have to kill you (hahahaha - obviously I am kidding).

The hard cold truth is there is no one secret or magic formula.

@Zakaria Moumen I recommend Insider Secrets to Financing Your Real Estate Investments by Frank Gallinelli .

I found it difficult when I was starting out because most (not all) investors weren't too "willing" to offer free advice or give up their "trade secrets".

Yes, the main quantifiable goal is control $1B before I'm 40 (I'm 34 years old now) but I believe my motto I've adopted from Tony Robbins which is The Secret to Living is Giving, is what is the driving force behind the growth. 

It's the "darkest secret" no one talks about in real estate because the ones that do understand this don't share it.

Google "Boston College study Secret Fears of the Super Rich".