I don't know, but I'm guessing perhaps there was a leak/flood and the subfloor rotted, and/or pet urine that soaked into the subfloor, and/or mold issues? 

At $30-50/month it ends up breaking even but I have someone to call instead of the plumber that charged me $200 to show up and was charging $300 more to turn off the water to my house when I had a leak.

We also used some contractors that I may not use again, as there is some leaking that we've had to deal with.

From what I’ve been reading, if this was electric or gas, they’d have a say and you could bring the case before their review board.

He says it can't be a leaking duct in basement  because then we'd get no heat on main level. 

The occasional basement leak, which is common in my areas in all houses and has a floor drain.  

What will gas prices be doing?

Five years later you're sued by your grantee's grantee alleging there an easement for a gas line predating your ownership thereby breaching your warranties. 

Hi All,I have a gas leak situation in my rental property and below is the message that I received from my PM.

Radon is a colorless odorless gas that causes cancer.