How to flip Mystic set (light) in OSRS

Flipping Mystic set (light) on the Old School RuneScape Grand Exchange currently makes about 5,261 gp profit per item after the 2% GE tax: buy near 148,753 gp (the instant-sell price) and re-list near 157,157 gp (the instant-buy price).

• Buy at (instant-sell): 148,753 gp
• Sell at (instant-buy): 157,157 gp
• Margin after 2% tax: 5,261 gp (3.54% ROI)
• Buy limit per 4 hours: 70
• 24h volume: 505 (moderately traded)
• Max profit per limit cycle: 368,270 gp on 10,412,710 gp of capital

The flip, step by step

1. Place a buy offer at or just above 148,753 gp (the current instant-sell price).
2. Wait for the fill. Mystic set (light) is moderately traded right now, so fills can take an hour or more, patience pays here.
3. Re-list at or just below 157,157 gp (the current instant-buy price).
4. The GE takes 3,143 gp tax (2%) per item when it sells, leaving 5,261 gp profit each.
5. Repeat up to the buy limit (70 per 4 hours), a full cycle is 368,270 gp on 10,412,710 gp of capital.

Margins move constantly. Re-check the live Mystic set (light) numbers and price chart on GrandExchange.com right before committing.