How do I buy PLANET Tokens?

Could you please elaborate on the steps involved in purchasing PLANET Tokens? Is there a specific exchange or platform where they are available? Are there any prerequisites or verification processes that need to be completed before I can make a purchase? Additionally, are there any fees associated with the transaction, and if so, what are they? Also, what are the payment methods accepted for purchasing PLANET Tokens? Finally, is there a minimum purchase amount required?