#3: In Hot Water
This one strikes me as really odd. If they’re all renting and are roommates, they wouldn’t be responsible for the water heater. That’s something the landlord would handle and quick. Why didn’t they just pick up the phone and call the landlord? It would have taken five minutes!
It’s the worst when you’re the only one responsible enough to take care of things and your holiday results in serious destruction of property. Obviously, it was no one’s fault, but letting it sit for days was a wrong (and lazy) move. It would have been easy to clean up when it happened. Days later? That’s mold central.