How to flip Extended stamina potion(1) in OSRS

Flipping Extended stamina potion(1) on the Old School RuneScape Grand Exchange currently makes about 1,737 gp profit per item after the 2% GE tax: buy near 3,612 gp (the instant-sell price) and re-list near 5,458 gp (the instant-buy price).

• Buy at (instant-sell): 3,612 gp
• Sell at (instant-buy): 5,458 gp
• Margin after 2% tax: 1,737 gp (48.09% ROI)
• 24h volume: 7,895 (liquid)

The flip, step by step

1. Place a buy offer at or just above 3,612 gp (the current instant-sell price).
2. Wait for the fill. Extended stamina potion(1) is liquid right now, so expect fills within the hour at reasonable prices.
3. Re-list at or just below 5,458 gp (the current instant-buy price).
4. The GE takes 109 gp tax (2%) per item when it sells, leaving 1,737 gp profit each.
5. Repeat up to the buy limit.

Margins move constantly. Re-check the live Extended stamina potion(1) numbers and price chart on GrandExchange.com right before committing.