Cost to deploy ERC721 token to mainnet

Hello!
Firstly, thanks for your tutorial Create an NFT and deploy to a public testnet, using Remix

I newbie and within 2 hours add my NFT to opensea with openzeppelin, IPFS and metadata for it in rinkeby test network.

But read a lot of threads and can't see the answer how to do batch mint.
Maybe, you can help? What hourly rate?