Staff of water

The Staff of water is a free-to-play Old School RuneScape item — “A Magical staff.”. Its Grand Exchange buy limit is 125 per 4 hours. Right now it buys at 648 gp and sells at 1,096 gp — a net margin of 427 gp (65.9% ROI) after the 2% Grand Exchange tax of 21 gp. High alchemy yields 900 gp.

To flip it, place a buy offer near 648 gp and a sell offer near 1,096 gp; the spread minus GE tax is your profit. Confidence figures are model estimates from live OSRS Wiki prices, not guarantees — flip responsibly.