Well everyone starts somewhere-I don't see a thing wrong with your hammer and dolly work. Practice welding on scrap-even once you think you are "Good enough" to do the job. When your practice convinces you the job will be easy, it will. It all snowballs and eventually you drive it out around the neighborhood and get waves and thumbs ups and you get to say-yeah, I restored this car, one busted knuckle after another-I bought it with my sweat and blood and my vision