Money making guide/Smithing cannonballs

After completion of Dwarf Cannon, players can smith cannonballs, which is profitable since many players avoid the tedium of smithing them. One steel bar at 521 coins produces four cannonballs worth 852 coins total, thus producing 331 coins profit. Depending on which furnace the player chooses, one can produce between 2,160 and 2,400 cannonballs in an hour. That means the profit margin falls between 178,740 and 198,600 hourly.

Edgeville furnace is the closest furnace to a bank which has no requirements. The Shilo Village furnace is the closest to a bank but players must pay 20 coins to use it, free with the elite Karamja Diary. The Prifddinas furnace is the second closest to a bank but this requires the completion of Song of the Elves.

After the completion of Sleeping Giants, the double ammo mould can be purchased from the Giants' Foundry Reward Shop for the price of 2,000 Foundry Reputation. It is highly recommended as it effectively doubles the production speed and output of smithing cannonballs. Depending on which furnace the player chooses, one can produce between 4,320 and 4,800 cannonballs in an hour with the double ammo mould. This increases the expected profit per hour to be approximately between 357,480 and 397,200 hourly. However, one must bank twice as often as a result.

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