How do I invest in cat coins?

Hello, I'm interested in exploring the world of cryptocurrency investing, particularly in a niche area known as 'cat coins.' Could you please explain in simple terms how I can begin investing in this unique segment of the market? I'm curious about the steps involved, from researching potential coins to setting up a wallet and making my first purchase. Also, what are some key considerations I should keep in mind to ensure a safe and profitable investment journey? Your insights would be greatly appreciated.