I can find affordable walkability across the US - if we define affordability as "not that much more expensive than the new McMansions outside of the smallish to

I can find affordable walkability across the US - if we define affordability as "not that much more expensive than the new McMansions outside of the smallish town" - the usual downside is you have to accept whatever that small town offers in its two mile radius. You're not getting affordable NYC or SF.