A Charlotte developer will break ground later this year on a self-storage project in South End. Development-Management Inc. will develop a two-story, 120,000-square-foot facility at 536 W. Tremont Ave., between South Tryon Street and Toomey Avenue. DMI, which has eight self-storage facilities under management or in development, said the new center will be the firm's first low-cost facility. A 2016 bankruptcy sale allowed DMI to buy the 3.5-acre property for $1.5 million - a steal in booming South...