Dealers are individuals or businesses that buy and sell goods, often acting as intermediaries between manufacturers and consumers. They can operate in various industries, including automobiles, real estate, and collectibles. Dealers typically have specialized knowledge about the products they sell, which helps them provide valuable information to customers. In the context of automobiles, car dealers sell new and used vehicles, often representing specific brands. They may also offer financing options and vehicle maintenance services. In the world of collectibles, dealers focus on items like stamps, coins, or art, helping collectors find rare pieces and ensuring authenticity.