Had a similar problem a while back and went through pretty much the same checklist. One extra thing I found that hasn't been mentioned yet: checking t...

Good point—can't stress this enough. I'd also suggest giving that valve a gentle turn every few months. Valves can seize up over time, and trust me, w...

I've had mixed luck with digital stud finders myself—sometimes they're spot-on, other times they lead me astray. Agree that recalibrating helps. As fo...

Had a similar experience a few years back. Thought I could handle it myself too—figured a good snaking and some root killer would do the trick. It wor...