How to flip Ahrim's armour set in OSRS

Flipping Ahrim's armour set on the Old School RuneScape Grand Exchange currently makes about -41,856 gp profit per item after the 2% GE tax: buy near 2,276,324 gp (the instant-sell price) and re-list near 2,280,069 gp (the instant-buy price).

• Buy at (instant-sell): 2,276,324 gp
• Sell at (instant-buy): 2,280,069 gp
• Margin after 2% tax: -41,856 gp (-1.84% ROI)
• Buy limit per 4 hours: 8
• 24h volume: 364 (moderately traded)
• Max profit per limit cycle: -334,848 gp on 18,210,592 gp of capital

The flip, step by step

1. Place a buy offer at or just above 2,276,324 gp (the current instant-sell price).
2. Wait for the fill. Ahrim's armour set is moderately traded right now, so fills can take an hour or more, patience pays here.
3. Re-list at or just below 2,280,069 gp (the current instant-buy price).
4. The GE takes 45,601 gp tax (2%) per item when it sells, leaving -41,856 gp profit each.
5. Repeat up to the buy limit (8 per 4 hours), a full cycle is -334,848 gp on 18,210,592 gp of capital.

Margins move constantly. Re-check the live Ahrim's armour set numbers and price chart on GrandExchange.com right before committing.