OpenGET Old School RuneScape Grand Exchange tracker

Plank Make Mahogany plank

Spell conversions

Breakdown
SideItemQtyUnitTaxTotal
buyMahogany logs1630-63
buyAstral rune21250-250
buyNature rune11560-156
buyEarth rune1550-75
feeservice charge11,0500-1,050
sellMahogany plank11,837361,801

Result

Total cost
1,594
Total revenue
1,801
GE tax paid
36
Profit per action
207
ROI
13.0%
Profit per hour
207,000
gp per xp
2.30
Binding buy limit
Earth rune (50000 per 4h → 3333 actions)
Requirements
Magic 86 (Lunar spellbook)

The spell charges 1,050 gp per plank, 70% of what the sawmill operator asks, but adds two astral runes and a nature rune on top. Worth comparing against the sawmill row for the same plank: the discount only outruns the runes where the fee is large.

After GE taxAt 1000 actions per hour90.0 xp per action

Prices updated