How to flip Merfolk trident in OSRS

Flipping Merfolk trident on the Old School RuneScape Grand Exchange currently makes about 371,143 gp profit per item after the 2% GE tax: buy near 810,000 gp (the instant-sell price) and re-list near 1,205,247 gp (the instant-buy price).

• Buy at (instant-sell): 810,000 gp
• Sell at (instant-buy): 1,205,247 gp
• Margin after 2% tax: 371,143 gp (45.82% ROI)
• Buy limit per 4 hours: 125
• 24h volume: 24 (thinly traded)
• Max profit per limit cycle: 46,392,875 gp on 101,250,000 gp of capital

The flip, step by step

1. Place a buy offer at or just above 810,000 gp (the current instant-sell price).
2. Wait for the fill. Merfolk trident is thinly traded right now, so offers can sit for hours; only flip with patience and wide margins.
3. Re-list at or just below 1,205,247 gp (the current instant-buy price).
4. The GE takes 24,104 gp tax (2%) per item when it sells, leaving 371,143 gp profit each.
5. Repeat up to the buy limit (125 per 4 hours), a full cycle is 46,392,875 gp on 101,250,000 gp of capital.

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