I think part of the issue is that a lot of places outside of SF are places where people want to live and work (who also make lots of money). Lots of people want

I think part of the issue is that a lot of places outside of SF are places where people want to live and work (who also make lots of money). Lots of people want to live in Palo Alto, Oakland, Mountain View, etc so the prices don't really go down that much as you move further out.