If you take the corner store model as far as many European, NY, etc cities - You remove the $300-400+/mo cost of a car (ballparking here)
Otherwise if the local shops are more expensive (in any meaningful way), consumers would simply drive the additional N miles to the Walmart Supercenter as things kind of are as is
Otherwise if the local shops are more expensive (in any meaningful way), consumers would simply drive the additional N miles to the Walmart Supercenter as things kind of are as is