How many times had you had your tank leak or forgot to shut off the your DI unit?

[IluvHockey]

Man, I just got an estimate of $2,000 to repair the water damage of my basement ceiling from my tank above it on the main floor. Boy my tenant wasn't too happy about it.

Apparently my overflow backed up when my filter bag clogged the outflow. It was only about 5 gallons of saltwater. But I think it may have just added to a number of times I forgot to shut the DI unit over the years. But it never caused the ceiling to leak. Isn't reef keping suppose to be relaxing and not cause more headaches?