Saved them from having to break into a house that had a fire alarm going off.  

i've seen other alarms that you put inside the toilet, and if it keeps filling, a loud annoying alarm goes off--the tenant will most likely call you then...or they'll just rip it out of the toilet and never let you know.

For $300, she agreed to stay with friends.And in high crime areas, a squatter can be considered a type of alarm system.

I have seen some take smoke alarms off and use them as cigarette ash trays.

When someone's in your unit without paying, there's only one name for them - thief. 

Smoke alarms- Impose a fine for removing themLock out policy- What happens if they lock themselves out, will you provide keys, if so when and is there a fee?  

Only reason I ask is it’s alarming how two people can attain that much student loan debt and if it had anything to do with spending habits while in grad school.

I had a alarm go off every night to remind me that I was basically failing at it.  

I also change the furnace filters & the smoke alarm batteries.

My Alarm Bells were going off in my head because I knew that wasn't one of the legal fixes but I let him explain the situation to her.