This will not only unlock some capital but also considerably lower that interest rate ideally effecting a net 0 on cash-flow. 

Next easiest is an unlocked window.

They can get you in and out quickly with a lock pick gun.But many times that is unnecessary as the owner will let me know "the back door is unlocked" or something to that effect.

*  My System teaches you the secrets of unlocking this source of wealth!  

I am by nature skeptical about someone saying they have a "secret plan to unlock your dreams of building extreme wealth using someone else's money, time and expertise".

In particular, look for window latches, door latches, and other locking mechanisms that may be unlocked; they can cost you thousands if the wrong person discovers them.Point Lights OutwardMotion-sensor security lights should be standard procedure for any rental, but for a vacant one, there’s a simple extra step you can take: nudge those lights so that they’re clearly visible from a neighbor’s house.

Are they just collecting bids for you and unlocking the door in the morning for the guys?

Everything in todays world is buyer beware as-is so I really dont need to pay someone thousands of dollars to unlock and relock the house for me.

Leave it unlocked, or hide a key, or put a combo lock box on the door.

Even paying $3/house to unlock the extra features is worth it (like being able to add my company branding info to footer).