Follow this steps to put your NFT item up for sale
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Put your NFT item up for sale
Go to the Collection page
Click on the item you like to sell
Click on "Sell"
Fill the price in Ether or the native coin of the network used (BNB, xDai, Matic)
Fill the wallet where you want to receive the funds of the sale
Click on sale
Confirm the transaction in Metamask
Transfer BuyDo you want to cancel the sale?
If so, just follow the same steps to sell your item, and specify a price of zero, and any wallet.