In essence, they're basically saying there's a certain sequence of steps to follow that, if done correctly, magically unlocks this pot of financing which the banking industry or creditors will not tell you about. 

I don't worry about my place being left unlocked anymore. 

After repeated attempts to gain her cooperation to drop off the deadbolt key, but getting excuses from her on getting the deadbolt key, and yet having her text that she was out on the 21st, my maint crew gained access Oct 24th through an unlocked window, and changed the locks.

But with something like that you can't guarantee the potential tenant isn't going to leave doors/windows unlocked, lights/AC on, etc.

https://www.myhomeequitytips.com/unlock-7-reasons-why/?

You have just unlocked a wealth of knowledge and experience here!

I'm looking in to Reonomy right now. seems like they can unlock some true owner contact information. 

But I do have tenants that work very odd schedules (I'm in a town with a couple Auto Manufactures) So tenants are not always home and I have to meet my guys there to unlock.

Then you can unlock the code for more efficient ways to pull the info you wish and become one of the handful of people who profit from the research.

They unlock the door they re-lock the house.