Tarromin

The Tarromin is a members-only Old School RuneScape item — “A useful herb.”. Its Grand Exchange buy limit is 13,000 per 4 hours. Right now it buys at 223 gp and sells at 241 gp — a net margin of 14 gp (6.3% ROI) after the 2% Grand Exchange tax of 4 gp. High alchemy yields 6 gp.

To flip it, place a buy offer near 223 gp and a sell offer near 241 gp; the spread minus GE tax is your profit. Confidence figures are model estimates from live OSRS Wiki prices, not guarantees — flip responsibly.