How to buy Ordinals?

As a cryptocurrency enthusiast, I'm curious about the process of acquiring Ordinals. Could you elaborate on the steps involved in purchasing this digital asset? I've heard it has a unique proposition in the market, but I'm not entirely sure how to navigate the process. Would I need to set up a specific wallet? Is there a particular exchange or platform that facilitates the buying and selling of Ordinals? I'm also interested in knowing about any potential risks or considerations I should be aware of before making a purchase. Could you provide a comprehensive overview of the buying process for Ordinals?