An auction house is a business that facilitates the buying and selling of items through a bidding process. People can bring items like art, antiques, or collectibles to be sold to the highest bidder. Auction houses often hold events where bidders can participate in person or online, making it accessible to a wider audience. These establishments typically charge a commission on the final sale price, which is how they make money. Well-known auction houses, such as Sotheby's and Christie's, have a reputation for handling high-value items and attracting serious collectors from around the world.