Been there myself—rounded nuts are the worst. Adjustable wrench is definitely the way to go, gives you way better grip and control. I've had flexible ...

Yeah, plastic fittings are always a gamble—tighten just a hair too much and you're back at the hardware store. I've stuck with metal fittings whenever...

Yeah, I ran into similar headaches. Paperwork took twice as long as the actual install. One thing I'd add—make sure your installer is familiar with co...