51{2073c8c43516c2345af85108b8ebbdebe9ebc66c54499a524ff940f002e78ebd} of homeowners hired licensed tradesmen similar to plumbers or electricians, 36{2073c8c43516c2345af85108b8ebbdebe9ebc66c54499a524ff940f002e78ebd} employed a development manager, and 20{2073c8c43516c2345af85108b8ebbdebe9ebc66c54499a524ff940f002e78ebd} chose to...