It might make where you're living far more awkward, but they have provided the internet with a lot of laughs.
What's worse than throwing it into someone else's bin? Not throwing it away at all.
Extreme: This sleep deprived angry neighbour went to great lengths to make his point.
Not so gentle warning: Dog owners who don't follow the rules will be publicly shamed.
Guilt trip: Pinching garden plants is 'low and selfish', according to this fed up neighbour.
Am I making myself clear? This cat owner needed three separate notes to make his point.
Let it all out: Disgruntled neighbours are using pointed notes to air their frustrations.
FYI: Posting a hand-written sign in your window is one way to avoid an awkward conversation.
The residents of this building have been indulging in some very anti-social behaviour.
Passive aggressive: Let's hope the sound system's owner was able to read between the lines.
"She's faking it": Noisy sex seems to feature highly on the list of irate neighbours' bugbears.
'Concern': What the people responsible for this racket were actually doing is anyone's guess.
Too soon: The author of this note does not wish it could be Christmas every day.
Weeknight noise: Being loud late at night is guaranteed to annoy your neighbours.
Prior warning: It's doubtful that this noisy gamer's notice did much to placate his neighbours.