More than 10000 gold coins. In the "Dream" mobile game, raising a child requires a certain amount of economic investment. Players need to buy food, toys, clothes and other items to meet their children's living needs, and pay a certain amount of gold coins accordingly. In addition, players also need to spend a certain amount of gold coins, so that children can receive education and training to enhance their ability. Therefore, raising a child requires at least 10000 gold coins for financial support.