"all the "core services" would be walking distance from your home." Consider the average modern supermarket with 35,000+ SKUs (stock keeping units). Such a sto

"all the "core services" would be walking distance from your home." Consider the average modern supermarket with 35,000+ SKUs (stock keeping units). Such a store serves several thousand people. It is not possible to have several thousand people living within walking distance of a store unless it is high density housing. But people prefer single family housing on moderately large lots.