Building your own NFT collection is a really exciting adventure. I would recommend starting by exploring the material on the romtos website. There are some great articles and tutorials there on how to build a nft https://romtos.com/learn-more-about-the-product-owner/how-do-i-create-an-nft-collection . On this site, you'll find step-by-step instructions on how to create and launch your NFT collection. The process includes choosing a theme, creating unique artwork, choosing a platform to release your NFT, setting prices, marketing, and more. There's also advice out there on how to get your collection noticed among potential buyers.