Rune boots

Rune Boots is a members-only item on the OSRS Grand Exchange in the armour category.

In-game examine text: "These will protect my feet."

It has a Grand Exchange buy limit of 70 every four hours, a high alchemy value of 7.5k gp, and item ID 4131.

View on OSRS Wiki

Rune Boots shows an active flip setup with a margin of +216 gp and 4,957 trades over the last 24 hours.

At the buy limit of 70 every four hours, max profit per cycle is about 15.1k gp — high margin with healthy liquidity.