How to flip Berserker helm in OSRS

Flipping Berserker helm on the Old School RuneScape Grand Exchange currently makes about 5,752 gp profit per item after the 2% GE tax: buy near 41,683 gp (the instant-sell price) and re-list near 48,403 gp (the instant-buy price).

• Buy at (instant-sell): 41,683 gp
• Sell at (instant-buy): 48,403 gp
• Margin after 2% tax: 5,752 gp (13.80% ROI)
• Buy limit per 4 hours: 70
• 24h volume: 2,002 (liquid)
• Max profit per limit cycle: 402,640 gp on 2,917,810 gp of capital

The flip, step by step

1. Place a buy offer at or just above 41,683 gp (the current instant-sell price).
2. Wait for the fill. Berserker helm is liquid right now, so expect fills within the hour at reasonable prices.
3. Re-list at or just below 48,403 gp (the current instant-buy price).
4. The GE takes 968 gp tax (2%) per item when it sells, leaving 5,752 gp profit each.
5. Repeat up to the buy limit (70 per 4 hours), a full cycle is 402,640 gp on 2,917,810 gp of capital.

Margins move constantly. Re-check the live Berserker helm numbers and price chart on GrandExchange.com right before committing.