Mithril bolts (p+)

The Mithril bolts (p+) is a members-only Old School RuneScape item — “Some poisoned mithril bolts.”. Its Grand Exchange buy limit is 11,000 per 4 hours. Right now it buys at 30 gp and sells at 998 gp — a net margin of 949 gp (3163.3% ROI) after the 2% Grand Exchange tax of 19 gp. High alchemy yields 12 gp.

To flip it, place a buy offer near 30 gp and a sell offer near 998 gp; the spread minus GE tax is your profit. Confidence figures are model estimates from live OSRS Wiki prices, not guarantees — flip responsibly.