How to flip Bag of salt in OSRS

Flipping Bag of salt on the Old School RuneScape Grand Exchange currently makes about -7 gp profit per item after the 2% GE tax: buy near 29 gp (the instant-sell price) and re-list near 22 gp (the instant-buy price).

• Buy at (instant-sell): 29 gp
• Sell at (instant-buy): 22 gp
• Margin after 2% tax: -7 gp (-24.14% ROI)
• Buy limit per 4 hours: 8,000
• 24h volume: 45,112 (very liquid)
• Max profit per limit cycle: -56,000 gp on 232,000 gp of capital

The flip, step by step

1. Place a buy offer at or just above 29 gp (the current instant-sell price).
2. Wait for the fill. Bag of salt is very liquid right now, so offers usually fill within minutes to a quarter hour.
3. Re-list at or just below 22 gp (the current instant-buy price).
4. The GE takes 0 gp tax (2%) per item when it sells, leaving -7 gp profit each.
5. Repeat up to the buy limit (8,000 per 4 hours), a full cycle is -56,000 gp on 232,000 gp of capital.

Margins move constantly. Re-check the live Bag of salt numbers and price chart on GrandExchange.com right before committing.