How to buy brett from MetaMask?

Could you please elaborate on the steps involved in purchasing Brett tokens using MetaMask? I'm interested in understanding the entire process, from connecting my wallet to finding and selecting Brett for purchase. Could you also provide any insights on the fees associated with this transaction and any potential risks I should be aware of? Additionally, is there a specific marketplace or exchange where I can find Brett tokens listed for purchase, and how do I ensure the safety and legitimacy of my transaction? Thank you for your assistance in navigating this process.