Extended anti-venom+(4)

The Extended anti-venom+(4) is a members-only Old School RuneScape item — “4 doses of extended super antivenom potion.”. Its Grand Exchange buy limit is 2,000 per 4 hours. Right now it buys at 18,841 gp and sells at 19,000 gp — a net margin of -221 gp (-1.2% ROI) after the 2% Grand Exchange tax of 380 gp. High alchemy yields 266 gp.

To flip it, place a buy offer near 18,841 gp and a sell offer near 19,000 gp; the spread minus GE tax is your profit. Confidence figures are model estimates from live OSRS Wiki prices, not guarantees — flip responsibly.