That's one of the reasons it's generally not a good idea to use vintage vehicles as a way to make money. With a few exceptions the only entities that make money restoring old vehicles are the shops who get paid to do the work on them. I have far more money in my 38 and 53 than I could ever get out of them.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.