Yes, Matic is generally considered to be the most cost-effective way to pay fees when using Ethereum. This is because Matic is a layer-2 scaling solution that allows users to pay fees in a more efficient manner. The fees are significantly lower than traditional Ethereum fees, making it an attractive option for those who need to pay fees on a regular basis. Matic also allows users to make faster transactions, which can be beneficial when dealing with large amounts of data. In addition, Matic is a trustless protocol, meaning users don't have to rely on any third-party to process their transactions. This makes it a secure and reliable option for those who need to pay fees quickly and securely.