1. Have a passion to car design
2. Good skills in drawing - sketch or technical drawing
3. Good imagination and love to use it.
4. Creative and innovative
Now you could explores your passion and make money with it by designing car models or concept cars. If you're not familiar with car designing software, you can just draw a car sketch in a plain of paper - scan it.
You can upload it to your website and youtube.com. find good KEYWORD for your website by using any niche keyword finder software, then start posting your car design or concept car into it - it would be better if you give some explanation about your cars design. You can combine the content with existing cars models - past and future models.
