There would definately be no harm in building a market tester.
Building a second car would give you a wonderfull chance to build to your own liking & taste.
Bet there was many a time during your first build you said to yourself " I would have done that different if I had to do it again "
I say go for it, worst case is you'll end up with a much improved Mk2 verion of the Roadster.
True. Many of the top manufacturers of 7 type cars carry a high price premium.
