How does a decentralized exchange script make money?

Decentralized exchange script operate differently compared to the traditional exchanges. These adopt different schemes to earn revenue. The top ways are listed here:

Transaction Fee
Token Issuance & Sales
Swapping Fees
Staking Fees
Premium/Subscription fee
Governance Tokens
Collaborations/Partnership

Though many crypto platforms and associated ideas exist. DeFi platforms provide huge revenue, global outreach and the long-term success for the startups.