The smoke alarms were going off all the time.
I messaged the guy and he ignored my messages about 7 alarms all beeping inside the house.
Why does he need this many smoke alarms for? In case the building inspector comes so his ass is covered most likely. However, all the batteries were low on power so the smoke alarms were all beeping every 20 seconds continuously. I had to unplug most of them myself except for the one behind a locked guest's room which was empty. After I he ignored my complaint, I complained a second time which they fixed the next day. But 3 days with that smoke alarm sound is not a pleasant experience.