In 2011, a 39,000-sq-ft Michigan school on a former Air Force base sold for $40,000; 15 years later, one wing has become 5 homes and the 19-acre property is asking $450,000
A former Michigan school sold for $40,000 in 2011 is now listed for $450,000. (Photo: Realtor.com) A former school building on a Michigan Air Force base has undergone a remarkable…