How to flip Elder maul in OSRS

Flipping Elder maul on the Old School RuneScape Grand Exchange currently makes about 1,018,889 gp profit per item after the 2% GE tax: buy near 86,201,111 gp (the instant-sell price) and re-list near 89,000,000 gp (the instant-buy price).

• Buy at (instant-sell): 86,201,111 gp
• Sell at (instant-buy): 89,000,000 gp
• Margin after 2% tax: 1,018,889 gp (1.18% ROI)
• Buy limit per 4 hours: 8
• 24h volume: 1,040 (liquid)
• Max profit per limit cycle: 8,151,112 gp on 689,608,888 gp of capital

The flip, step by step

1. Place a buy offer at or just above 86,201,111 gp (the current instant-sell price).
2. Wait for the fill. Elder maul is liquid right now, so expect fills within the hour at reasonable prices.
3. Re-list at or just below 89,000,000 gp (the current instant-buy price).
4. The GE takes 1,780,000 gp tax (2%) per item when it sells, leaving 1,018,889 gp profit each.
5. Repeat up to the buy limit (8 per 4 hours), a full cycle is 8,151,112 gp on 689,608,888 gp of capital.

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