From a more serious standpoint, the flat roof that was installed on my house when it was built leaked the first two winters. It caused pretty heavy water penetration damage.
They originally blamed the scupper, but I'd had a roof expert (engineer) come and do an inspection before this winter, and he basically concluded in his report that the roof would fail. And it did.
The membrane did not overlap the edges of the roof, so as ice damming happened, the water level rose up past the retaining wall, then down past the membrane and into my house between the ground and 1st floors.
I had to make a Tarion issue out of it, and I've got a team replacing the entire roof as we speak. The roofing report helped a great deal as the builder tried all kinds of crap around roof maintenance to get out of it.
Meanwhile, the subcontrators are taking out the ceiling of my living/dining room, as well as the walls of my upstairs office and spare bedroom, re-insulating, re-drywalling and painting, and replacing the hardwood upstairs. Thankfully, mold was limited and contained.
So I've been living in my basement/master bedroom for awhile.
Hopefully this should be the end of it.
I also broke my wrist at soccer a few weeks ago, so fiscal year end involved learning how to work a lot more with my left hand.
It's been good times.