How to flip Mahogany hull parts in OSRS

Flipping Mahogany hull parts on the Old School RuneScape Grand Exchange currently makes about 54 gp profit per item after the 2% GE tax: buy near 3,700 gp (the instant-sell price) and re-list near 3,830 gp (the instant-buy price).

• Buy at (instant-sell): 3,700 gp
• Sell at (instant-buy): 3,830 gp
• Margin after 2% tax: 54 gp (1.46% ROI)
• Buy limit per 4 hours: 100
• 24h volume: 18,077 (very liquid)
• Max profit per limit cycle: 5,400 gp on 370,000 gp of capital

The flip, step by step

1. Place a buy offer at or just above 3,700 gp (the current instant-sell price).
2. Wait for the fill. Mahogany hull parts is very liquid right now, so offers usually fill within minutes to a quarter hour.
3. Re-list at or just below 3,830 gp (the current instant-buy price).
4. The GE takes 76 gp tax (2%) per item when it sells, leaving 54 gp profit each.
5. Repeat up to the buy limit (100 per 4 hours), a full cycle is 5,400 gp on 370,000 gp of capital.

Margins move constantly. Re-check the live Mahogany hull parts numbers and price chart on GrandExchange.com right before committing.