Let's just hope that you love it and enjoy driving it for a long timeYes a friend told me that is a way to avoid the double tax hit but I very much doubt any dealer would be allowed to do this for a Z reserved through Nissan Canada. And I'd have to know I want to sell it before I had a chance to drive it.
Personally if I had any doubts on the test drive then I would walk away and find something else. The deposit that you've paid is fully refundable, correct?