How to buy Aether crypto?

So, I'm curious, could you elaborate on the process of acquiring Aether cryptocurrency? Is there a specific exchange that I should be using? Do I need to create a wallet first? And, once I've purchased Aether, what's the best way to keep it secure? Also, is there any information on fees or minimum transaction amounts that I should be aware of? Finally, can you offer any tips or best practices for first-time crypto investors looking to buy Aether?