How to flip Rune crossbow in OSRS

Flipping Rune crossbow on the Old School RuneScape Grand Exchange currently makes about 243 gp profit per item after the 2% GE tax: buy near 8,701 gp (the instant-sell price) and re-list near 9,126 gp (the instant-buy price).

• Buy at (instant-sell): 8,701 gp
• Sell at (instant-buy): 9,126 gp
• Margin after 2% tax: 243 gp (2.79% ROI)
• Buy limit per 4 hours: 70
• 24h volume: 13,080 (very liquid)
• Max profit per limit cycle: 17,010 gp on 609,070 gp of capital

The flip, step by step

1. Place a buy offer at or just above 8,701 gp (the current instant-sell price).
2. Wait for the fill. Rune crossbow is very liquid right now, so offers usually fill within minutes to a quarter hour.
3. Re-list at or just below 9,126 gp (the current instant-buy price).
4. The GE takes 182 gp tax (2%) per item when it sells, leaving 243 gp profit each.
5. Repeat up to the buy limit (70 per 4 hours), a full cycle is 17,010 gp on 609,070 gp of capital.

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