One thing that had irritated me was the fact that my agent had failed on preliminary due diligence and showed me a condo that was not investor friendly.

No matter how hard I negotiate I always end up paying exactly what they are worth.It has become so irritating to me that I have told my bank that I won't pay for appraisals anymore. 

Sorry to hear about the bad neighbor situation, that can always be an irritating inconvenience. 

Speculating that your nephew might be lying to you about something & did something to irritate/motivate the LL.Every showing have a can of stink spray handy before they want to show the place :)

If I don't have contact from the plaintiff atty by Wednesday I plan to seek my own atty.I have really strong tolerance for the unknown and DIY, so I'm not really that stressed, was just more annoyed \ irritated at it. 

The irritation of the emotional rollercoaster "You guys rock!"

I wrote the ad right after getting my 1 days notice, so I was a little irritated and it came out in my writing.

This minimizes the inconvenience of the existing tenant (no need to irritate them even if they are moving out), saves you time, and puts a little pressure on the prospective tenants to submit an application since others are there at the same time.  

I am so irritated at this.

Ambulance chasing is probably going to irritate more and get you less deals..