How to buy polkastarter?

I'm interested in learning how to buy Polkastarter, could you please provide me with a step-by-step guide? What are the essential requirements I need to fulfill before I start the process? Are there any specific platforms or exchanges that I should use for purchasing Polkastarter tokens? What kind of fees or commissions should I expect to pay? And lastly, are there any safety precautions or best practices that I should follow to ensure a smooth and secure transaction?