Acorn

Acorn is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "Plant this in a plantpot of soil to grow a sapling."

It has a Grand Exchange buy limit of 200 every four hours, a high alchemy value of 3 gp, and item ID 5312.

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Acorn currently has a flip margin of +0 gp, which isn't profitable to flip right now despite 26,931 trades over the last 24 hours.

Items with negative or zero margins like this are better watched than actively flipped until the spread widens.