>Meanwhile, the American suburb seems to have been modeled after manor estates but shrunk down to a level where it doesn't make sense. Each property has more personal land, but not enough to be "self-sufficient".

> remember, you need to keep the "estate" supplied with the necessities from a store located a 20-30 minute drive away)

People don't live in the suburbs to start a mini-farm. If you have to drive 20-30 minutes just for necessities you live in a rural area, not suburbs.