For move ins walk throughs and move outs, they happen like this:Move in: A local guy opens/unlocks the doors, gives/leaves them keys.

-Unlocking the right inventory & at the right price -Finding sellers willing to work with your target monthly payment using owner carry terms -Finding the right loans currently in place to assume -Building mailing lists and call sequences centered around the right script, follow up, and consistency to increase your probability I'm happy to jump on a call and discuss further to help you get started. 

They are WiFi enabled battery backup and locked and unlocked with a smart phone.

You could replace the front door lock with a keyless smart lock so each tenant has their own unique code they punch in on the digital keypad to unlock.

Got it - to sum up, you have a nice chunk of equity in your primary residence, and you'd like to unlock some of that to purchase other properties.  

An employee of my tenant would leave the front door unlocked when she goes down the street for snacks.

I am having trouble unlocking 200k or equity in my primary residence.

I think you can go more affordable with a wyze camera(s) and a coded lock where you can have unique codes to unlock the door.

However, I'm receiving such a wide variance in prices (from $500,000 - $1,500,000) and it's hard to know where to spend money to unlock the true value of this property.

A refinance would unlock the cash.