Client.
The most demanding, least value one I have
Probably costs me money everytime I pick up the phone and it's him on the other end.
After the absolute sh*t month I've had him calling today was the last straw.
Cut him off mid sentence - told him to bring his account up to date, slammed down the phone and emailed him a current statement.
Am still furious.
Plus - my car part deliveries still haven't turned up :( (no ETA - aren't overdue, but I keep looking for the delivery truck)