Red spiders' eggs

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

In-game examine text: "Ewww!"

It has a Grand Exchange buy limit of 13,000 every four hours, a high alchemy value of 4 gp, and item ID 223.

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Red Spiders' Eggs shows an active flip setup with a margin of +5 gp and 1,022,225 trades over the last 24 hours.

At the buy limit of 13,000 every four hours, max profit per cycle is about 65.0k gp — high margin with healthy liquidity.