How to flip Dragon 2h sword in OSRS

Flipping Dragon 2h sword on the Old School RuneScape Grand Exchange currently makes about 2,775 gp profit per item after the 2% GE tax: buy near 128,500 gp (the instant-sell price) and re-list near 133,954 gp (the instant-buy price).

• Buy at (instant-sell): 128,500 gp
• Sell at (instant-buy): 133,954 gp
• Margin after 2% tax: 2,775 gp (2.16% ROI)
• Buy limit per 4 hours: 8
• 24h volume: 870 (moderately traded)
• Max profit per limit cycle: 22,200 gp on 1,028,000 gp of capital

The flip, step by step

1. Place a buy offer at or just above 128,500 gp (the current instant-sell price).
2. Wait for the fill. Dragon 2h sword is moderately traded right now, so fills can take an hour or more, patience pays here.
3. Re-list at or just below 133,954 gp (the current instant-buy price).
4. The GE takes 2,679 gp tax (2%) per item when it sells, leaving 2,775 gp profit each.
5. Repeat up to the buy limit (8 per 4 hours), a full cycle is 22,200 gp on 1,028,000 gp of capital.

Margins move constantly. Re-check the live Dragon 2h sword numbers and price chart on GrandExchange.com right before committing.