Staff of Light

The Staff of Light is a members-only Old School RuneScape item — “A ghastly weapon with evil origins combined with a holy light.”. Its Grand Exchange buy limit is 8 per 4 hours. Right now it buys at 4,231,061 gp and sells at 4,395,925 gp — a net margin of 76,946 gp (1.8% ROI) after the 2% Grand Exchange tax of 87,918 gp. High alchemy yields 600,003 gp.

To flip it, place a buy offer near 4,231,061 gp and a sell offer near 4,395,925 gp; the spread minus GE tax is your profit. Confidence figures are model estimates from live OSRS Wiki prices, not guarantees — flip responsibly.