The Tesla Roadsters have been the most sought after vehicles in the world for a long time, but what are they really worth?Here’s a rundown of what they are and what they could be worth.1.$30,000 to $40,000 (depending on price)2.$10,000-$15,000(depending on features)3.$8,000-10,00 (depending a few features)4.$7,000 for a standard Tesla Model S6 or S7 (requires …