How to flip Amethyst javelin tips in OSRS

Flipping Amethyst javelin tips on the Old School RuneScape Grand Exchange currently makes about 14 gp profit per item after the 2% GE tax: buy near 500 gp (the instant-sell price) and re-list near 524 gp (the instant-buy price).

• Buy at (instant-sell): 500 gp
• Sell at (instant-buy): 524 gp
• Margin after 2% tax: 14 gp (2.80% ROI)
• Buy limit per 4 hours: 10,000
• 24h volume: 807,890 (extremely liquid)
• Max profit per limit cycle: 140,000 gp on 5,000,000 gp of capital

The flip, step by step

1. Place a buy offer at or just above 500 gp (the current instant-sell price).
2. Wait for the fill. Amethyst javelin tips is extremely liquid right now, so offers at fair prices typically fill within minutes.
3. Re-list at or just below 524 gp (the current instant-buy price).
4. The GE takes 10 gp tax (2%) per item when it sells, leaving 14 gp profit each.
5. Repeat up to the buy limit (10,000 per 4 hours), a full cycle is 140,000 gp on 5,000,000 gp of capital.

Margins move constantly. Re-check the live Amethyst javelin tips numbers and price chart on GrandExchange.com right before committing.