How to sell sui nft?

I'm curious to know, how does one go about selling an SUI NFT? Is there a specific platform or marketplace where Sui NFTs are commonly traded? And what are the steps involved in the selling process? Do I need to set up a digital wallet first? Additionally, are there any fees associated with selling Sui NFTs, and how do I ensure the security of the transaction? Lastly, what factors should I consider when determining the price of my Sui NFT to ensure a successful sale?