List your NFT to be a Timed Auction if you wish to provide it to the very best bidder after the time you established has actually been achieved (it is possible to allow a reserve price). Also, you could checklist it using a declining cost (which has a set ending https://nftonopensea37730.humor-blog.com/19829688/nft-on-opensea-things-to-know-before-you-buy