One of the biggest nightmares about living in a condo is when your homeowner association informs you that the building siding has water intrusion and they need to wrap the whole building to repair it. I have personally gone through that myself.  It lasted for more than a year and let me tell you, it wasn't pleasant, especially when the repair work occurs during the summer. The heat inside the building was unbearable and you can't open the windows because it was all wrapped up and dust starts making it's way to your home. So, I can really empathize with this couple going through a water intrusion problem. 

"Vijay Dusi is paying $2,450 a month to live in a condominium so riddled with toxic mold that his family has shuffled from room to room for three years to escape the health hazards that go with it."

Read more here.