> Now, if it said "fulfilled by Amazon" - or it went to a different section of the site ("Amazon Dwellings" - I dunno) that was clearly an Amazon branded product, manufacturing and fulfillment system for houses, that'd be a different thing.

Except you run the chance of getting a counterfeit product if it's fulfilled by Amazon - and even if it's sold by Amazon, because of the whole co-mingling thing. Can you imagine getting a counterfeit house?