A traveling businessman. In Tararia, iron ingots can be obtained in many ways, one of which is to buy them from businessmen. In the game, a traveling businessman named NPC will sell various items from time to time, including iron ingots. However, the entry conditions of travel merchants are harsh, requiring empty houses, and all players should have more than 50 items in the item column. Coins kept in treasure boxes, including piggy banks, are not included in this requirement.