Collection users and let them sign up for the Whitelist. This list can be minted before the public at a discounted price. You can add this as a claim phase to your Smart Contract.
Once you have your NFT Art and the optional Allow list, you can create a Smart Contract. Upload your NFTs, add your claim phases, and add to the blockchain.
Now that your NFT is on the blockchain. You can add a Minting page to your NFT landing page to make it a Minting website. If you want to skip the landing page, create a new website.