> For the complete documentation index, see [llms.txt](https://nftdeal.gitbook.io/eng-user-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nftdeal.gitbook.io/eng-user-guide/gas-fee-and-other-fees.md).

# Gas Fee and Other Fees

- [What Are Gas Fees?](https://nftdeal.gitbook.io/eng-user-guide/gas-fee-and-other-fees/what-are-gas-fees.md)
- [Who pays the gas fees when someone buys my NFT?](https://nftdeal.gitbook.io/eng-user-guide/gas-fee-and-other-fees/who-pays-the-gas-fees-when-someone-buys-my-nft.md)