How to flip Amulet of rancour in OSRS

Flipping Amulet of rancour on the Old School RuneScape Grand Exchange currently makes about -1,020,000 gp profit per item after the 2% GE tax: buy near 51,000,000 gp (the instant-sell price) and re-list near 51,000,000 gp (the instant-buy price).

• Buy at (instant-sell): 51,000,000 gp
• Sell at (instant-buy): 51,000,000 gp
• Margin after 2% tax: -1,020,000 gp (-2.00% ROI)
• Buy limit per 4 hours: 8
• 24h volume: 1,113 (liquid)
• Max profit per limit cycle: -8,160,000 gp on 408,000,000 gp of capital

The flip, step by step

1. Place a buy offer at or just above 51,000,000 gp (the current instant-sell price).
2. Wait for the fill. Amulet of rancour is liquid right now, so expect fills within the hour at reasonable prices.
3. Re-list at or just below 51,000,000 gp (the current instant-buy price).
4. The GE takes 1,020,000 gp tax (2%) per item when it sells, leaving -1,020,000 gp profit each.
5. Repeat up to the buy limit (8 per 4 hours), a full cycle is -8,160,000 gp on 408,000,000 gp of capital.

Margins move constantly. Re-check the live Amulet of rancour numbers and price chart on GrandExchange.com right before committing.