How to flip Arcane prayer scroll in OSRS

Flipping Arcane prayer scroll on the Old School RuneScape Grand Exchange currently makes about -61,996 gp profit per item after the 2% GE tax: buy near 5,153,092 gp (the instant-sell price) and re-list near 5,194,995 gp (the instant-buy price).

• Buy at (instant-sell): 5,153,092 gp
• Sell at (instant-buy): 5,194,995 gp
• Margin after 2% tax: -61,996 gp (-1.20% ROI)
• Buy limit per 4 hours: 5
• 24h volume: 481 (moderately traded)
• Max profit per limit cycle: -309,980 gp on 25,765,460 gp of capital

The flip, step by step

1. Place a buy offer at or just above 5,153,092 gp (the current instant-sell price).
2. Wait for the fill. Arcane prayer scroll is moderately traded right now, so fills can take an hour or more, patience pays here.
3. Re-list at or just below 5,194,995 gp (the current instant-buy price).
4. The GE takes 103,899 gp tax (2%) per item when it sells, leaving -61,996 gp profit each.
5. Repeat up to the buy limit (5 per 4 hours), a full cycle is -309,980 gp on 25,765,460 gp of capital.

Margins move constantly. Re-check the live Arcane prayer scroll numbers and price chart on GrandExchange.com right before committing.