There is no sound more terrifying to a homeowner than the deep, ominous "gurgle" coming from a toilet—followed by water coming up in the shower drain. If you are reading this, you probably suspect the worst: Sewer Line Failure. Unlike a leaky faucet or a running toilet, a sewer line issue is a major infrastructure problem. It affects your entire home’s ability to function. It is stressful, messy, and—unfortunately—can be expensive. But before you start digging up your front l