|74,700 per hour|
950 x Iron bar (235,600)
Smithing iron bars (worth 248 each) is profitable since demand is almost always present. Players can produce between 900 and 1,000 iron bars in an hour. That means the profit margin falls between 70,358 and 77,952 hourly.
Edgeville furnace is the closest furnace to a bank, and it has no requirements, but the others do. Neitiznot is the second closest, but it requires The Fremennik Isles. Port Phasmatys is third and requires two Ecto-tokens for entry unless the player has done Ghosts Ahoy. Lastly, players must pay 10 coins to pass through the Al Kharid gates to use that furnace if Prince Ali Rescue is not completed. An Amulet of glory or Ring of dueling can be used to bypass the entrance fee, however.
It is strongly recommended to check the live prices on the Grand Exchange before making large investments in any method.
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