There are several approaches to finding muscle cars for sale, including publications like Hemmings Motor News which contain classified listings, make-specific magazines, and searching online. The internet allows searching by name and sites like eBay let individuals and dealerships auction cars, while sites like Manheim Gold help determine vehicle values. Factors like condition, engine size, and extent of any restoration work affect muscle car prices, with well-preserved original or fully restored examples commanding higher values and making good investments.