When North Carolina residents Susan McGuirk and her husband bought a holiday house on a large waterfront plot in Wingate, in Maryland’s Dorchester County, the stately old home hadn’t been occupied for more than a decade. “We pulled into the driveway and it was love at first sight,” she said. “Once inside, it was obvious just how well built the house was.” This is the third story in “Life on the Edge,” a series of journalism and research initiatives at Climate Central examining wetlands, sea-level rise and coastal change with support from the Doris Duke Charitable Foundation. This story was produced and published through partnership with the Chesapeake Bay Magazine. Since then, they’ve sealed up the original wavy glass windows, fixed walls, installed insulation and new plumbing and wiring, and raised the entire waterfront property to protect against regular flooding.…