Extended anti-venom+(3)

The Extended anti-venom+(3) is a members-only Old School RuneScape item — “3 doses of extended super antivenom potion.”. Its Grand Exchange buy limit is 2,000 per 4 hours. Right now it buys at 13,300 gp and sells at 13,727 gp — a net margin of 153 gp (1.2% ROI) after the 2% Grand Exchange tax of 274 gp. High alchemy yields 199 gp.

To flip it, place a buy offer near 13,300 gp and a sell offer near 13,727 gp; the spread minus GE tax is your profit. Confidence figures are model estimates from live OSRS Wiki prices, not guarantees — flip responsibly.