What does it cost to level Inscription right now?

10.1kg in reagents at today's TW auction prices, over about 111 crafts. Sell the results and it comes back to 10.1kg.

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 17:54 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 · Northrend Inscription · TW · prices as of 17:54 UTC

Inscription leveling 1 → 75 · Northrend Inscription

10.1kg in reagents over about 111 crafts. Sell what you make and it comes back to 10.1kg.

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

Total10,076

Step 1 · Skill 1 → 20

Yellow→Green

Snowfall Ink

About 52 crafts.521

per skill point27

Icy Pigment×104

Step 2 · Skill 20 → 62

Orange→Yellow

Runescroll of Fortitude

trainer

About 46 crafts.4,835

per skill point115

Light Parchment×230

Snowfall Ink×46

Step 3 · Skill 62 → 75

Orange

Assorted Glyphs

About 13 crafts.4,719

per skill point363

Light Parchment×39

Ink of the Sea×39

Skill 75 — done. Now sell what you made.

Crafted itemUnitsEachTotal

Runescroll of Fortitude2302

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

Back in your pocket10,067

What's worth crafting with Inscription right now

Questions

How this route is built

What does it cost to level Inscription right now?: 10.1kg in reagents at today's TW auction prices, over about 111 crafts. Sell the results and it comes back to 10.1kg.
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 17:54 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.