How to flip Dexterous prayer scroll in OSRS

Flipping Dexterous prayer scroll on the Old School RuneScape Grand Exchange currently makes about 193,921 gp profit per item after the 2% GE tax: buy near 16,287,213 gp (the instant-sell price) and re-list near 16,817,483 gp (the instant-buy price).

• Buy at (instant-sell): 16,287,213 gp
• Sell at (instant-buy): 16,817,483 gp
• Margin after 2% tax: 193,921 gp (1.19% ROI)
• Buy limit per 4 hours: 5
• 24h volume: 501 (moderately traded)
• Max profit per limit cycle: 969,605 gp on 81,436,065 gp of capital

The flip, step by step

1. Place a buy offer at or just above 16,287,213 gp (the current instant-sell price).
2. Wait for the fill. Dexterous 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 16,817,483 gp (the current instant-buy price).
4. The GE takes 336,349 gp tax (2%) per item when it sells, leaving 193,921 gp profit each.
5. Repeat up to the buy limit (5 per 4 hours), a full cycle is 969,605 gp on 81,436,065 gp of capital.

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