How to convert TON coin to USD?

I'm curious to know, could you please elaborate on the process of converting TON coin to USD? Is there a specific platform or exchange that's recommended for this conversion? Are there any fees associated with the process, and if so, how are they calculated? Additionally, what's the current market rate for TON to USD, and how does it fluctuate over time? Lastly, are there any risks involved in converting TON to USD, and if so, how can they be mitigated?