How to flip Drake bones in OSRS

Flipping Drake bones on the Old School RuneScape Grand Exchange currently makes about 66 gp profit per item after the 2% GE tax: buy near 3,981 gp (the instant-sell price) and re-list near 4,129 gp (the instant-buy price).

• Buy at (instant-sell): 3,981 gp
• Sell at (instant-buy): 4,129 gp
• Margin after 2% tax: 66 gp (1.66% ROI)
• Buy limit per 4 hours: 7,500
• 24h volume: 57,611 (very liquid)
• Max profit per limit cycle: 495,000 gp on 29,857,500 gp of capital

The flip, step by step

1. Place a buy offer at or just above 3,981 gp (the current instant-sell price).
2. Wait for the fill. Drake bones is very liquid right now, so offers usually fill within minutes to a quarter hour.
3. Re-list at or just below 4,129 gp (the current instant-buy price).
4. The GE takes 82 gp tax (2%) per item when it sells, leaving 66 gp profit each.
5. Repeat up to the buy limit (7,500 per 4 hours), a full cycle is 495,000 gp on 29,857,500 gp of capital.

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