How Does ERC-1155 Achieve Cost Savings over ERC-20 and ERC-721 Combined?

ERC-1155 achieves cost savings by consolidating the logic for multiple token types into a single smart contract. Instead of deploying a new contract for every fungible or non-fungible token, one deployment is enough.

Furthermore, it supports batch operations, allowing users to transfer multiple different tokens in a single transaction, significantly reducing the cumulative gas fees compared to separate transactions.