This is sometimes called the "Enemy Method," and you can search for more details.3.

Is there a method to the madness or just a shotgun approach until you find one that works?

There a few other advantages of this email method. 

Quote from @Lucas Schlund: @Ty Coutts What method would you say is better for a beginner investor, using max leverage on your first deal, or using more cash upfront to put more equity into it?

Find Brandon's videos on YouTube for the "four square" method of analyzing homes and practice.

I also would like to get into the BRRRR method.

DSCR works pretty cohesively with hard money, especially when you use the BRRRR method since it allows you to increase leverage on the back end refi. 

Got my vote!

The reason I used that method was to be able to put the property in my name or corporation or partners.  

You can also look at Airbnb using "the enemy method" to see what competitors are doing nearby that was coined by the brilliant Avery Carl.