How does balancer make money?

Could you please elaborate on how Balancer, a decentralized exchange and automated market maker, generates revenue? I'm particularly interested in understanding the mechanisms behind its profit-making strategies, including any transaction fees, liquidity incentives, or other potential sources of income. How does it ensure a fair and sustainable economic model for its users and liquidity providers? Additionally, how does its approach to earning compare to other similar platforms in the cryptocurrency and decentralized finance space?