How to earn money in Aavegotchi?

Could you elaborate on the various strategies and opportunities for earning money in the Aavegotchi ecosystem? I'm particularly interested in understanding the avenues for passive income, such as staking rewards, and whether there are any active income opportunities like trading or participating in quests. Additionally, I'd like to know if there are any specific skills or knowledge required to maximize earnings, and if there are any risks or challenges involved in this process. Could you provide a comprehensive overview of the earning potential in Aavegotchi?