How to flip Green dragon leather in OSRS

Flipping Green dragon leather on the Old School RuneScape Grand Exchange currently makes about -15 gp profit per item after the 2% GE tax: buy near 1,589 gp (the instant-sell price) and re-list near 1,606 gp (the instant-buy price).

• Buy at (instant-sell): 1,589 gp
• Sell at (instant-buy): 1,606 gp
• Margin after 2% tax: -15 gp (-0.94% ROI)
• Buy limit per 4 hours: 13,000
• 24h volume: 562,907 (extremely liquid)
• Max profit per limit cycle: -195,000 gp on 20,657,000 gp of capital

The flip, step by step

1. Place a buy offer at or just above 1,589 gp (the current instant-sell price).
2. Wait for the fill. Green dragon leather is extremely liquid right now, so offers at fair prices typically fill within minutes.
3. Re-list at or just below 1,606 gp (the current instant-buy price).
4. The GE takes 32 gp tax (2%) per item when it sells, leaving -15 gp profit each.
5. Repeat up to the buy limit (13,000 per 4 hours), a full cycle is -195,000 gp on 20,657,000 gp of capital.

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