Red dye

Red Dye is a free-to-play item on the OSRS Grand Exchange in the other category.

In-game examine text: "A little bottle of red dye."

It has a Grand Exchange buy limit of 150 every four hours, a high alchemy value of 3 gp, and item ID 1763.

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Red Dye currently has a flip margin of −6 gp, which isn't profitable to flip right now despite 3,360 trades over the last 24 hours.

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