As a Millennial, my most indulgent fantasy by far is that of home ownership. Without fail, though, the moment I dare to scroll through glossy real estate shots, one thing always punctures my suspension of disbelief: a telltale ugly, brown stain, sometimes on the ceiling, sometimes on the floor, but always indicative of a costly problem that not even my fantasy life has the time or the resources to take care of.Water damage is the second leading cause of property damage. Each year, one in 67 insured homes files a claim due to water or freezing damage. Smart water-leak detectors are one way to discover a drip before it becomes a disaster. These devices can detect pooling or dripping water, trigger an alarm, and send you a smartphone notification.