Welcome to Gringotts! You can make money by doing various activities around Hogwarts, or by getting a job at the Ministry of Magic. Note that if you attempt to make a transaction that will put your account into negative figures, the transaction won't be completed.Students will start with 25 Galleons. For reference:
1 Galleon= 17 Sickles
1 Sickle= 29 Knuts.