NFT MINTING WEBSITE

Hi! I need minting process for my website. Images are ready and json files also but now I need the thing that is going to make smart contract and after that people can mint themselves the picture. Later after purchase the picture will reveal. What would be the price for me, I actually need to have such a landingpage for 8 projects. I mean, if first project will be sold out, then we can modify the page and drop new project with new smart contract. Let me know about the price you ask for each time if I choose you to help us.

Also can you pause it for 3-5 days after each 1000 sold)