Counter offers are an available method to allow some back and forth between a seller and a potential buyer.

When you receive an offer for one of your NFTs that doesn't satisfy you, you can send a counteroffer to the user with an amount you would be willing to accept.
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The user will receive a notification and then can modify or cancel their offer.

If they modify the offer to match your counteroffer, you must still accept the new offer.

NOTE: You can't counteroffer a Collection Offer