How to flip Sapphire dragon bolts in OSRS

Flipping Sapphire dragon bolts on the Old School RuneScape Grand Exchange currently makes about 214 gp profit per item after the 2% GE tax: buy near 2,121 gp (the instant-sell price) and re-list near 2,382 gp (the instant-buy price).

• Buy at (instant-sell): 2,121 gp
• Sell at (instant-buy): 2,382 gp
• Margin after 2% tax: 214 gp (10.09% ROI)
• Buy limit per 4 hours: 11,000
• 24h volume: 8,140 (liquid)
• Max profit per limit cycle: 2,354,000 gp on 23,331,000 gp of capital

The flip, step by step

1. Place a buy offer at or just above 2,121 gp (the current instant-sell price).
2. Wait for the fill. Sapphire dragon bolts is liquid right now, so expect fills within the hour at reasonable prices.
3. Re-list at or just below 2,382 gp (the current instant-buy price).
4. The GE takes 47 gp tax (2%) per item when it sells, leaving 214 gp profit each.
5. Repeat up to the buy limit (11,000 per 4 hours), a full cycle is 2,354,000 gp on 23,331,000 gp of capital.

Margins move constantly. Re-check the live Sapphire dragon bolts numbers and price chart on GrandExchange.com right before committing.