How to flip Emerald amulet (u) in OSRS

Flipping Emerald amulet (u) on the Old School RuneScape Grand Exchange currently makes about 3 gp profit per item after the 2% GE tax: buy near 545 gp (the instant-sell price) and re-list near 559 gp (the instant-buy price).

• Buy at (instant-sell): 545 gp
• Sell at (instant-buy): 559 gp
• Margin after 2% tax: 3 gp (0.55% ROI)
• Buy limit per 4 hours: 10,000
• 24h volume: 49,879 (very liquid)
• Max profit per limit cycle: 30,000 gp on 5,450,000 gp of capital

The flip, step by step

1. Place a buy offer at or just above 545 gp (the current instant-sell price).
2. Wait for the fill. Emerald amulet (u) is very liquid right now, so offers usually fill within minutes to a quarter hour.
3. Re-list at or just below 559 gp (the current instant-buy price).
4. The GE takes 11 gp tax (2%) per item when it sells, leaving 3 gp profit each.
5. Repeat up to the buy limit (10,000 per 4 hours), a full cycle is 30,000 gp on 5,450,000 gp of capital.

Margins move constantly. Re-check the live Emerald amulet (u) numbers and price chart on GrandExchange.com right before committing.