Dragonstone boots

The Dragonstone boots is a members-only Old School RuneScape item — “A stylish pair of rune boots inlaid with dragonstones.”. Its Grand Exchange buy limit is effectively unlimited. Right now it buys at 148,792 gp and sells at 250,000 gp — a net margin of 96,208 gp (64.7% ROI) after the 2% Grand Exchange tax of 5,000 gp. High alchemy yields 7,500 gp.

To flip it, place a buy offer near 148,792 gp and a sell offer near 250,000 gp; the spread minus GE tax is your profit. Confidence figures are model estimates from live OSRS Wiki prices, not guarantees — flip responsibly.