Leatherworking is a profession in World of Warcraft: Wrath of the Lich King that allows players to create leather armor, bags, and other items. It is a popular profession for making money, as there is a high demand for leatherworking items from both players and NPCs.
There are many ways to make money with leatherworking in WotLK. One way is to craft and sell leatherworking items on the Auction House. Another way is to provide leatherworking services to other players, such as making repairs or enchanting items. Additionally, leatherworkers can make a profit by gathering and selling leather and other materials used in leatherworking.