On Fri, 01 Apr 2016 20:34:44 +0100, John Rumm wrote:

Either way it's a good deal, but does not factor the massive
capital
cost of a Tesla!

And don't forget that if lots of people did it, they would find a way of
taxing it! ;-)

Or the overall increase in the electricty bill with an E7 tariff
instead of the best deal normal one.

--
Cheers
Dave.