How to Buy and Sell NFT's for profit

If you are interested in NFTs (non fungible tokens), Crypto, Ethereum or how other blockchain technologies may affect the photography industry, let me know and I will create more videos like this.
0:00 Intro to NFTs
0:40 What is an NFT?
4:46 What is an NFT Marketplace?
6:07 How to create photo NFTs
9:05 Opensea NFT Collections
10:02 How to create an NFT on Opensea
16:14 What are NFT Gas fees?
18:54 How to sell your photo NFTs
21:10 How to promote photo NFTs
21:35 What are smart contracts https://bit.ly/3pnvQZt