Surely you would agree that every business has revenue-generating options from their doing business. In the same way, on doing an NFT Marketplace business with the opensea clone script as a platform owner they have revenue generation options through the following options.
Transaction Fees
Registration Fees
Minting Fee
Listing Fee
Auction bidding fee
As an admin of the platform, you can yield revenues from collecting the fee from the above user activities on the platform.
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