For many many years, a thought often crept into Michael Newell’s head: “What if I bought my childhood home?” He wished to continue to keep the cherished home, but give it an additional purpose. Often he shared that thought with his then-girlfriend, Marché Robinson. But it in no way went more than that. That childhood household — a 7,000-square-foot colonial-type dwelling situated on a 16-acre ton just south of Greensboro, N.C. — was built by Mr. Newell’s parents in the early 1980s, and Mr. Newell has only the fondest recollections of growing up there with his parents and 5 more mature siblings. The household was stuffed with joy, contentment and…