How to flip Cape of skulls in OSRS

Flipping Cape of skulls on the Old School RuneScape Grand Exchange currently makes about 159,713 gp profit per item after the 2% GE tax: buy near 2,749,575 gp (the instant-sell price) and re-list near 2,968,661 gp (the instant-buy price).

• Buy at (instant-sell): 2,749,575 gp
• Sell at (instant-buy): 2,968,661 gp
• Margin after 2% tax: 159,713 gp (5.81% ROI)
• Buy limit per 4 hours: 8
• 24h volume: 84 (thinly traded)
• Max profit per limit cycle: 1,277,704 gp on 21,996,600 gp of capital

The flip, step by step

1. Place a buy offer at or just above 2,749,575 gp (the current instant-sell price).
2. Wait for the fill. Cape of skulls is thinly traded right now, so offers can sit for hours; only flip with patience and wide margins.
3. Re-list at or just below 2,968,661 gp (the current instant-buy price).
4. The GE takes 59,373 gp tax (2%) per item when it sells, leaving 159,713 gp profit each.
5. Repeat up to the buy limit (8 per 4 hours), a full cycle is 1,277,704 gp on 21,996,600 gp of capital.

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