The owner called the police, but they didn't do anything.

Time in management, repairs, damages, collections, evictions, police calls, complaints......IMO you're not really ahead as you are earning every dime you can collect!

CMHC policy only permits a borrow to hold one CMHC insured residential mortgage at a time {though not every lender enforces this and CMHC does not always police/catch it}.  

One as a evening caller for the Fraternal order of Police.

Code and damageds homes could be court house or police department or a seperate code enforcement office all together.

The Richmond Police Department stated that it found hours of recordings on Arnaiz’s computer.

you should file a police report immediately 

They called the police and said someone had broken into their property.The police arrived and the officer was absolutely lovely.

What you need is a hold harmless and indemnification agreement, signed of by the police department as the have insurance and financial responsibility for off duty police dogs, they are considered officers too.

But as soon as you gain experience through life's ups and downs and get to the point where money isn't a problem anymore, you will get tired of the police calling you at 3:00 am because some dude decided to beat the crap out of his wife and threw her out in the snow and the cops want you to come down and open the door for them so they don't have to kick it in.