I don't see how you'd get into blacksmithing as a hobby. "Oh, I just happened to have this 2,000° metal-forging oven laying around out back..."
I'd like to buy a Bob Kramer forged damascus chef's knife someday, but they cost thousands of dollars. I randomly came across some photos of knives made by a bladesmith in Brazil. I'd like to contact him to see how much a knife like the one below would cost: