Gnomish Thinking Cap

Cost per reagent

Reagent	Qty	Each	Cost	Share
Gnomish Mind Control Cap Cloth · crafted by Gnomish Mind Control Cap (Engineering)	1	…	…
Saronite Bar Metal & Stone · 10,215 on the Auction House · crafted by Smelt Saronite (Mining)	12	15 gold	180 gold
Handful of Cobalt Bolts Parts · 4,100 on the Auction House · crafted by Handful of Cobalt Bolts (Engineering)	12	22 gold99 silver	275 gold88 silver
Eternal Water Elemental · 1,905 on the Auction House · crafted by Transmute: Eternal Fire to Water (Alchemy) · crafted by Transmute: Eternal Air to Water (Alchemy)	2	34 gold88 silver	69 gold76 silver

Where the reagents come from

Gnomish Mind Control Cap. Made with Gnomish Mind Control Cap (Engineering, Classic Engineering) from 10 Mithril Bar, 4 Truesilver Bar, 1 Gold Power Core, 2 Star Ruby and 4 Mageweave Cloth. At lowest listed prices that makes one Gnomish Mind Control Cap for 100 gold37 silver.

Saronite Bar. Made with Smelt Saronite (Mining, Northrend Mining) from 2 Saronite Ore. At lowest listed prices that makes one Saronite Bar for 14 gold98 silver, against 15 gold listed. Also a required reagent in 92 other recipes (74 Blacksmithing, 17 Engineering and 1 Alchemy); the most per craft: Armor Plated Combat Shotgun (Engineering, 20 per craft), Saronite Mindcrusher (Blacksmithing, 20 per craft), Saronite Swordbreakers (Blacksmithing, 20 per craft), Saronite Swordbreakers (Blacksmithing, 20 per craft) and Corroded Saronite Edge (Blacksmithing, 16 per craft).

Handful of Cobalt Bolts. Made with Handful of Cobalt Bolts (Engineering, Northrend Engineering) from 2 Cobalt Bar, 2 per craft. At lowest listed prices that makes one Handful of Cobalt Bolts for 20 gold50 silver, against 22 gold99 silver listed. Also a required reagent in 13 other recipes (13 Engineering); the most per craft: Mechano-Hog (Engineering, 40 per craft), Mekgineer's Chopper (Engineering, 40 per craft), Jeeves (Engineering, 30 per craft), Noise Machine (Engineering, 8 per craft) and Home Defense Gadget (Engineering, 5 per craft).

Eternal Water. Made with Transmute: Eternal Air to Water (Alchemy, Northrend Alchemy) from 1 Eternal Air. At lowest listed prices that makes one Eternal Water for 49 gold45 silver, against 34 gold88 silver listed. Made with Transmute: Eternal Fire to Water (Alchemy, Northrend Alchemy) from 1 Eternal Fire. At lowest listed prices that makes one Eternal Water for 68 gold, against 34 gold88 silver listed. Also a required reagent in 63 other recipes (35 Leatherworking, 12 Blacksmithing, 4 Engineering and 4 Jewelcrafting); the most per craft: Armor Plated Combat Shotgun (Engineering, 15 per craft), Revenant's Breastplate (Leatherworking, 12 per craft), Revenant's Treads (Leatherworking, 10 per craft), Crusader's Dragonscale Bracers (Leatherworking, 8 per craft) and Crusader's Dragonscale Bracers (Leatherworking, 8 per craft).

Data notes

• No Auction House price for the crafted item - output value unknown (it may be soulbound/BoE gear or an untracked item).
• 1 reagent(s) have no current Auction House price, so total cost-to-craft is unknown.