Buy a collection of NFTs on Ethereum or any L2 blockchain.
Or create new NFT(s) from scratch.
It doesn't make sense. It is better to find an analogue of cryptopunks or any other project from
https://www.cryptoslam.io/.
Then the tax authorities will not be able to accuse you of having made an NFT token on your own.
And the fact that someone bought your 10 dollar token for 10000 dollars is a very common practice on the NFT token market
