Fly fishing rod

Fly Fishing Rod is a free-to-play item on the OSRS Grand Exchange in the food category.

In-game examine text: "Useful for catching salmon or trout."

It has a Grand Exchange buy limit of 40 every four hours, a high alchemy value of 3 gp, and item ID 309.

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Fly Fishing Rod shows an active flip setup with a margin of +63 gp and 779 trades over the last 24 hours.

At the buy limit of 40 every four hours, max profit per cycle is about 2.5k gp — high margin with healthy liquidity.