Smithing iron knives

⚠ This profit comes from buying, processing, and reselling on the Grand Exchange. It assumes large GE volume and can be inflated or volatile — treat it as a theoretical ceiling.

Smithing iron knives is profitable since one iron bar at 159 coins produces 5 iron knives worth 180 coins, thus totalling 21 coins profit. Players can produce between 9000 and 10,000 iron knives in an hour. That means the profit margin fall…