Here's the problem: The HUD disclosure states that the plumbing does not hold pressure.

I'm particularly passionate about Midwest area.Outside of real estate, I enjoy Hiking, fishing, hunting, stock trading, and serving my customers that require plumbing service.Excited to learn and connect with you all!

For me, domestic issues aren't my problem as a landlord.  

Better inspection of HVAC and plumbing, results would have allowed for better pricing negotiation

DIY should be left to cosmetic things like flooring, not plumbing and electric.

It's called PEX not Plex.If you are totally replacing the water supply plumbing, unless local code prohibits it I would say to use PEX.

PLUMBING expansion tanks for hot water heaters, copper scabbed into galvanized pipe and proper venting HVAC - sealed duct work and properly sized for sf.

Does anyone have investor friendly plumbing companies in DFW area for sewer inspection and repair?

Typically you'll be dealing with older product - from my experience, the key to capping your downside risk is being able to identify plumbing issues.

So many successful investors come from the construction/carpentry/plumbing/electrical industry because it was there advantage.