How do I buy Spartan credits?

Hello there, I'm curious about the process of acquiring Spartan credits. Could you please guide me through the steps involved in purchasing them? Are there any specific platforms or exchanges that I should be using? Additionally, what are the fees associated with buying Spartan credits, and are there any potential risks or considerations that I should be aware of before making a purchase? I'm eager to learn more about this process and would appreciate your insights.