How do you buy gaming coins?

I'm curious about the process of purchasing gaming coins. Could you walk me through the steps? Are there specific platforms or exchanges that I should be using? Do I need to have a cryptocurrency wallet set up beforehand? And how do I ensure the safety of my transactions? I've heard about scams and hacks in the crypto world, so I want to make sure I'm taking the right precautions. Could you also advise on the best time to buy gaming coins, based on market trends and potential fluctuations? Additionally, are there any legal considerations I should be aware of before engaging in this type of transaction?