Use the compassionate side (trust me I know this is super irritating). 

There were about 25 irritated people in there because the power kicked out and nobody left had cash.

He’s clearly trying to play a tough guy, but it’s irritating that he decided to play it this way.

.#2 Way to Get Leads: Bandit SignsThey can be a hassle sometimes, take a lot of work, and it does get irritating when they keep getting taken down by the city, but they work very well.

I was irritated they didn't inform myself, my property manager, inspection guy, etc.  

I am highly irritated that I paid this company $99 a month to not communicate with me and lead me as they are the professionals.It was 7 days PAST the lease expiration date per the signed lease for the tenants and I had no clue if my tenants had renewed or planned to move.

He recently had a death in the family and is irritated that I won't give him time for to deal with that, but this has been a problem for long before the death and now he won't return my texts or answer my phone calls. 

The worst thing you can do is be seen as an unreasonable and irritating component.

But again, it was irritating to have the land keep going up and up for the lease. 

I'd avoid doing this in units with shared ventilation as there is a potential risk of irritation to someone's lungs with prolonged exposure, especially if the person already has existing lung disease.Ozone machine will run about 60 bucks on Amazon.