Estimated is the max gas fees. Could be lower for ... @curvefi

The estimated maximum gas fees can vary depending on the network congestion and the type of transaction you are trying to execute. However, the actual gas fees can be lower than the estimated maximum gas fees, as the site will show you what the actual gas fees will be. This is because the actual gas fees are based on the current network conditions, and the fees can be adjusted accordingly. Additionally, some wallets and exchanges will also offer discounts on the gas fees, so it is worth checking with them to see if they offer any discounts.

And the site shows what it will actually be