> For the complete documentation index, see [llms.txt](https://tenpercentnft.gitbook.io/ten-percent-nft/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tenpercentnft.gitbook.io/ten-percent-nft/the-economy/extra-income.md).

# Extra income

### Royalty

The royalty will be 10%

### Advertisement

We appreciate our users very much. And we want you to be appreciated by others. That's why advertising in our channel will cost from 1 ETH, payment will be accepted to the address of the smart contract.

### "Burning"

Resale with "burning" income from the sale will be sent to the smart contract (described in more detail in the mechanics)

### Increasing the NFT level

#### The starting point of a paid upgrade:

* 0->1  =  1 ETH
* 1->2  =  10 ETH
* 2->3  =  100 ETH