NFTs have a plethora of potential to earn you passive income. Whether it's through royalties or through play-to-earn NFT gaming marketplaces, NFTs offer several opportunities to the enterprising. One concept that is becoming all too popular is NFT flipping. Simply put, flipping is done by buying NFTs for a low price and quickly selling them for a profit. This is quite risky, but people have been making use of strategies to make the most of their NFTs. By buying the most valuable and rare NFTs at the lowest floor price, several NFT enthusiasts have been able to flip them for a higher price when the market is at the right place. While NFT flipping isn't the safest way to make a passive income, it has been working for quite a few.