How to buy conflux cfx?

I'm interested in investing in Conflux CFX, but I'm not entirely sure how to proceed. Could you provide a step-by-step guide on how to buy Conflux CFX? I've heard about cryptocurrency exchanges, but I'm not sure which one is the most reliable for purchasing CFX. Additionally, I'd like to know about any security measures I should take while buying CFX, as well as the best time to buy it considering the market fluctuations. Lastly, are there any fees or commissions associated with buying CFX, and how do they compare to other cryptocurrencies? I'd appreciate any insights you could share to help me make an informed decision.