Check out all the cars that are for sale and the actual selling price of the ones that have sold and compare that with how much was invested in these cars. I think you'll find your answer. If you do all the work yourself, including the body and paint and consider your 100's of hours as free labor, it MAY be possible to show a SMALL profit.
I'm doing it because building it is the fun part. If I break even, that's a plus.
You'd probably make more money picking up Al. cans on the side of the road.
