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Elon Musk: your new Tesla will drive from the factory floor, to your house 'this year'
(www.tweaktown.com)
This is a most excellent place for technology news and articles.
I'm pretty sure Tesla has offered delivery to a home pretty much from the very beginning. I remember they had some money back guarantee when they announced it because obviously you can't test drive if you don't go to a dealership.
You may recall Tesla started out with basically no dealerships, and this was one of the first options for getting one outside of major city centers.
https://www.tesla.com/support/taking-delivery