How to flip Abyssal bludgeon in OSRS

Flipping Abyssal bludgeon on the Old School RuneScape Grand Exchange currently makes about 82,073 gp profit per item after the 2% GE tax: buy near 18,733,926 gp (the instant-sell price) and re-list near 19,199,998 gp (the instant-buy price).

• Buy at (instant-sell): 18,733,926 gp
• Sell at (instant-buy): 19,199,998 gp
• Margin after 2% tax: 82,073 gp (0.44% ROI)
• Buy limit per 4 hours: 8
• 24h volume: 897 (moderately traded)
• Max profit per limit cycle: 656,584 gp on 149,871,408 gp of capital

The flip, step by step

1. Place a buy offer at or just above 18,733,926 gp (the current instant-sell price).
2. Wait for the fill. Abyssal bludgeon is moderately traded right now, so fills can take an hour or more, patience pays here.
3. Re-list at or just below 19,199,998 gp (the current instant-buy price).
4. The GE takes 383,999 gp tax (2%) per item when it sells, leaving 82,073 gp profit each.
5. Repeat up to the buy limit (8 per 4 hours), a full cycle is 656,584 gp on 149,871,408 gp of capital.

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