How to make money with Amazon?

How can one potentially generate income through Amazon? Is it solely by selling products on the platform, or are there alternative strategies, such as becoming an Amazon affiliate or leveraging the Fulfillment by Amazon (FBA) program? Are there any specific tips or best practices for maximizing profits while minimizing costs? Additionally, how does one go about setting up an account and navigating the platform's various features and tools to effectively manage their business? Lastly, what are some potential challenges or obstacles that new Amazon sellers may encounter, and how can they overcome them?