Elon Musk says Tesla's solar roof will be cheaper than a regular roof

When he unveiled Tesla and SolarCity's upcoming product in October, a solar roof that generates electricity but looks pretty much like a regular roof, Tesla CEO Elon Musk said the roof would cost less than a regular roof — if you count in the savings from the roof's energy generation. 

While that's perfectly OK for those thinking long-term, if the solar roof's upfront cost were much bigger than the cost of a regular roof, that would probably deter some customers from going solar. 

Now, however, Musk claims the solar roof will cost less to manufacture and install than a non-solar roof, even without the electricity savings.  Read more...