How to flip Dinh's bulwark in OSRS

Flipping Dinh's bulwark on the Old School RuneScape Grand Exchange currently makes about -18,852 gp profit per item after the 2% GE tax: buy near 8,497,294 gp (the instant-sell price) and re-list near 8,651,471 gp (the instant-buy price).

• Buy at (instant-sell): 8,497,294 gp
• Sell at (instant-buy): 8,651,471 gp
• Margin after 2% tax: -18,852 gp (-0.22% ROI)
• Buy limit per 4 hours: 8
• 24h volume: 855 (moderately traded)
• Max profit per limit cycle: -150,816 gp on 67,978,352 gp of capital

The flip, step by step

1. Place a buy offer at or just above 8,497,294 gp (the current instant-sell price).
2. Wait for the fill. Dinh's bulwark is moderately traded right now, so fills can take an hour or more, patience pays here.
3. Re-list at or just below 8,651,471 gp (the current instant-buy price).
4. The GE takes 173,029 gp tax (2%) per item when it sells, leaving -18,852 gp profit each.
5. Repeat up to the buy limit (8 per 4 hours), a full cycle is -150,816 gp on 67,978,352 gp of capital.

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