How to flip Sulphur blades in OSRS

Flipping Sulphur blades on the Old School RuneScape Grand Exchange currently makes about 24,902 gp profit per item after the 2% GE tax: buy near 51,000 gp (the instant-sell price) and re-list near 77,451 gp (the instant-buy price).

• Buy at (instant-sell): 51,000 gp
• Sell at (instant-buy): 77,451 gp
• Margin after 2% tax: 24,902 gp (48.83% ROI)
• Buy limit per 4 hours: 15
• 24h volume: 1,088 (liquid)
• Max profit per limit cycle: 373,530 gp on 765,000 gp of capital

The flip, step by step

1. Place a buy offer at or just above 51,000 gp (the current instant-sell price).
2. Wait for the fill. Sulphur blades is liquid right now, so expect fills within the hour at reasonable prices.
3. Re-list at or just below 77,451 gp (the current instant-buy price).
4. The GE takes 1,549 gp tax (2%) per item when it sells, leaving 24,902 gp profit each.
5. Repeat up to the buy limit (15 per 4 hours), a full cycle is 373,530 gp on 765,000 gp of capital.

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