Be aware of state usury laws and consider collateralizing the loan for security.

You should secure that switch (or that area), so you can control who accesses it. 

My front is similar with packages delivered most days and being very confident if delivered to the front door that they are very secure.  

Breezeway allows us to easily organize all photos by room and generate a downloadable document for reference.Once a tenant moves out, we follow the same process to document the property's condition and determine if any amount needs to be withheld from the security deposit.Additionally, we require new tenants to complete and return a move-in inspection document within 3 days of moving in.

How are they coming up with a security deposit and a months rent and moving costs for a new apartment?

Not mentioned, is recognition of other opportunities that a well-secured note may provide strategically, if placed well.

If prospects upload ID, pass a quick background check, and maybe upload a pre-approval letter, I think that answers both the security and tire-kicker concerns. 

He collected first/last/security payments prior to move in date and was never heard from again.

•Increased Security: Enhanced penalties act as a deterrent, helping to keep your property secure from unlawful occupation.

You'd need to show the income on your tax returns and/or have a lease and first month's rent/security deposit for the unit you were living in.