noun
no complaints, no returns, no cancellations
Commercial term used in sales, auctions, or online marketplaces to indicate that the seller does not accept complaints, returns, or cancellations. Often seen in listings or terms of sale.
この商品は3Nでお願いします。
Please understand that this item is sold with no complaints, no returns, and no cancellations.
フリマアプリの説明に「3Nでお願いします」と書いてあった。
The flea market app listing said '3N: no complaints, no returns, no cancellations.'