Plumbing is an important part of a healthy home. Plumbing follows the basic laws of nature -- gravity, pressure, water seeking its own level. Knowing this, you can understand its "mysteries" and make dozens of fixes to your home's plumbing system. Bypassing the professional plumber dramatically cuts the cost of basic plumbing projects that don’t require expensive equipment and supplies – often by 50% or more. Why pay a well-compensated pro when you can do the job just as well on your own at a f