How can I sell NFTs better and what should I pay attention to?

I'm currently working on creating an NFT image. I have a good basic understanding of NFTs, but I'm still hesitant about selling them, for example, via OpenSea. There are different sales options at opensea: Offer type – fixed price, open auction, individual bids With 2.5% of sales commission fee (gas pee) either fixed price. Which…