In the YDF Marketplace, choose the NFT you would like to list and select Set List Price . For easy access, it is best to select Mine from the My NFTs filter to filter to your owned NFTs
This will bring up a window that will allow you to set a desired price and a desired token : ETH / WETH / USDC / USDT / DAI . You may also enter a USD amount that will auto fill the corresponding Token amount.
Once your price is set, select List NFT, approve the transaction and your NFT will be available for others to buy!