Level a profession

Steps

1–38Craft ~61× Rough Blasting Powdercosts 5silver49copperafter selling for 2silver44copper

recipe →each: 1× Rough Stone

38–57Craft ~30× Handful of Copper Boltsearns 9silver90copperafter selling for 34silver20copper

recipe →each: 1× Copper Bar

57–65Craft ~8× Arclight Spannercosts 27silver36copperafter selling for 11silver52copper

recipe →each: 6× Copper Bar

65–70Craft ~5× Copper Tubecosts 7silver10copperafter selling for 6silver

recipe →each: 2× Copper Bar, 1× Weak Flux (vendor)

70–88Craft ~19× Coarse Blasting Powdercosts 12silver73copperafter selling for 11silver97copper

recipe →each: 1× Coarse Stone

88–94Craft ~7× Coarse Dynamiteearns 9silver10copperafter selling for 24silver92copper

recipe →each: 3× Coarse Blasting Powder, 1× Linen Cloth

94–102Craft ~11× Crude Scopecosts 19silver36copperafter selling for 13silver75copper

recipe →each: 1× Copper Tube, 1× Malachite, 1× Handful of Copper Bolts

102–111Craft ~10× Bronze Tubecosts 1silver70copperafter selling for 47silver50copper

recipe →each: 2× Bronze Bar, 1× Weak Flux (vendor)

111–115Craft ~4× Heavy Blasting Powdercosts 7silver60copperafter selling for 11silver40copper

recipe →each: 1× Heavy Stone

115–120Craft ~5× Flying Tiger Gogglescosts 7silver60copperafter selling for 20silver40copper

recipe →each: 6× Light Leather, 2× Tigerseye

120–130Craft ~10× Shadow Gogglesearns 31silver30copperafter selling for 1gold4silver50copper

recipe →each: 4× Medium Leather, 2× Shadowgembuy Schematic: Shadow Goggles first: 12silver

130–195Craft ~240× Bronze Frameworkearns 1gold95silver42copperafter selling for 15gold37silver2copper

recipe →each: 2× Bronze Bar, 1× Medium Leather, 1× Wool Cloth

195–205Craft ~42× Gyrochronatomearns 31gold52silver94copperafter selling for 35gold51silver10copper

recipe →each: 1× Iron Bar, 1× Gold Power Core

205–216Craft ~16× Craftsman's Monoclecosts 2gold24silver64copperafter selling for 4gold21silver12copper

recipe →each: 6× Heavy Leather, 2× Citrineneeds Schematic: Craftsman's Monocle (not on the AH right now: from a vendor or drop)

216–247Craft ~62× Mithril Casingcosts 17gold98silverafter selling for 6gold20silver

recipe →each: 3× Mithril Bar

247–250Craft ~3× Tinkerboxcosts 3gold99silver

recipe →each: 1× Mithril Casing, 2× Gold Power Core

250–285Craft ~87× Green Lenscosts 63gold76silver23copperafter selling for 67gold59silver90copper

recipe →each: 8× Thick Leather, 3× Jade, 3× Aquamarine, 2× Heart of the Wild, 2× Wildvine

Skill 285–300: no recipe we can price here (its reagents aren't on this auction house right now, or it needs a pattern you can't buy).

Shopping list

Copy for Auctionator

261× Aquamarine39gold15silver

696× Thick Leather33gold96silver48copper

186× Mithril Bar24gold18silver

174× Wildvine22gold62silver

261× Jade18gold24silver39copper

174× Heart of the Wild17gold38silver26copper

500× Bronze Bar9gold80silver

32× Citrine4gold22silver8copper

3× Mithril Casing3gold75silver

240× Wool Cloth2gold37silver60copper

42× Iron Bar2gold30silver16copper

96× Heavy Leather2gold23silver68copper

48× Gold Power Core1gold92silver

280× Medium Leather1gold90silver40copper

88× Copper Bar71silver28copper

20× Shadowgem46silver

19× Coarse Stone24silver70copper

4× Heavy Stone19silver

30× Light Leather18silver

11× Handful of Copper Bolts15silver40copper

15× Weak Fluxvendor15silver

21× Coarse Blasting Powder14silver7copper

11× Copper Tube13silver20copper

10× Tigerseye10silver

61× Rough Stone7silver93copper

11× Malachite4silver51copper

7× Linen Cloth1silver75copper

At every skill point we pick the recipe with the lowest expected cost per skill-up: reagents at today's lowest (or the vendor) minus what the result fetches from a vendor (the safe minimum; the auction house is added for the few the market takes in about two days), divided by the classic skill-up chance (orange always, then falling to zero at grey). Crafts are expected counts, so luck can move them a little. Trainer recipes count as learnable 15 points before they turn yellow (their exact level isn't in the game data). Patterns that bind on pickup are left out; tradeable patterns that aren't listed right now are flagged. Trainer fees and the rank-ups (75, 150, 225) aren't included. Buying hundreds of a reagent will cost more than its lowest price.