What does it cost to level Engineering right now?

774g in reagents at today's US auction prices, over about 327 crafts. Sell the results and it comes back to 761g. 62% of the route is priced

Where do these numbers come from?

The skill thresholds are read from the game client data for build 12.1.0.68914. The prices are the region-wide auction house, refreshed every few minutes; these are the snapshot taken at 15:57 UTC.

Why does the route change when I reload?

Because the prices did. The cheapest recipe for a stretch of skill is whichever one's reagents are cheapest at that moment, and that moves through the day.

Profession leveling · Classic Engineering · US · prices as of 15:57 UTC

Engineering leveling 1 → 480 · Classic Engineering

774g in reagents over about 327 crafts. Sell what you make and it comes back to 761g. 62% of the route is priced

Start skill

Trainer recipes only

Recipe names carry the colour the profession window gives them: orange is a point every craft, yellow is three in four, green is one in four.

Before the first craft — buy it all at once

One trip to the auction house. Vendor lines are cheaper from the profession vendor than from the board.

ReagentNeedEachTotal

Enchanted Thorium Bar×129

114

×12114

Dense Blasting Powder×222

×2244

Azerothian Diamond×35

Total774

Step 1 · Skill 1 → 30

Orange→Yellow

Rough Blasting Powder

About 33 crafts.99

per skill point3

Rough Stone×33

Step 2 · Skill 30 → 260

Orange→Green

Dense Blasting Powder

trainer

About 247 crafts.14

per skill point6

Dense Stone×494

Step 3 · Skill 260 → 280

Orange→Yellow

Large Blue Rocket Cluster

needs the recipe item

About 22 crafts.165

per skill point8

Dense Blasting Powder×22

Rugged Leather×22

Step 4 · Skill 280 → 290

Yellow

Thorium Widget

needs the recipe item

About 14 crafts.224

per skill point22

Thorium Bar×42

Runecloth×14

Step 5 · Skill 290 → 297

Orange→Yellow

Thorium Tube

needs the recipe item

About 8 crafts.240

per skill point34

Thorium Bar×48

Step 6 · Skill 297 → 300

Orange

Bloodvine Lens

needs the recipe item

About 3 crafts.129

per skill point43

Enchanted Thorium Bar×12

Azerothian Diamond×3

Skill 300 → 480

No recipe in this expansion covers this stretch, so it is left out of the totals.

Skill 480 — done. Now sell what you made.

Crafted itemUnitsEachTotal

Dense Blasting Powder2472

Large Blue Rocket Cluster6650

6633

Rough Blasting Powder334

331

Bloodvine Lens334

Capped at what the market takes in 3 days, so a route never pretends to sell hundreds at once.

Back in your pocket761

What's worth crafting with Engineering right now

Questions

How this route is built

What does it cost to level Engineering right now?: 774g in reagents at today's US auction prices, over about 327 crafts. Sell the results and it comes back to 761g. 62% of the route is priced
Where do these numbers come from?: The skill thresholds are read from the game client data for build 12.1.0.68914. The prices are the region-wide auction house, refreshed every few minutes; these are the snapshot taken at 15:57 UTC.
Why does the route change when I reload?: Because the prices did. The cheapest recipe for a stretch of skill is whichever one's reagents are cheapest at that moment, and that moves through the day.

A first craft pays Knowledge, not skill, so it is shown as a badge and left out of the craft count. Vendor reagents are priced at the lower of the vendor and the auction house.