How to swap base ETH to ETH Uniswap?

Could you please elaborate on the process of swapping base ETH to ETH on Uniswap? Is there a specific step-by-step guide that users can follow to ensure a smooth and secure transaction? Additionally, are there any potential risks or fees associated with this swap, and what measures can users take to mitigate them? It would be great if you could provide some clarity on these points to help users navigate this process confidently.