Profession leveling · Classic Leatherworking · KR · prices as of 17:26 UTC
35.5kg in reagents over about 418 crafts. Sell what you make and it comes back to 35.5kg.
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.
One trip to the auction house. Vendor lines are cheaper from the profession vendor than from the board.
Step 1 · Skill 1 → 45
Orange→YellowStep 2 · Skill 45 → 55
YellowStep 6 · Skill 110 → 120
OrangeStep 8 · Skill 125 → 135
YellowStep 9 · Skill 135 → 140
OrangeStep 10 · Skill 140 → 142
YellowStep 11 · Skill 142 → 152
YellowStep 12 · Skill 152 → 265
Orange→YellowStep 13 · Skill 265 → 305
Orange→YellowStep 14 · Skill 305 → 315
OrangeStep 15 · Skill 315 → 320
OrangeStep 16 · Skill 320 → 325
YellowStep 17 · Skill 325 → 330
YellowStep 18 · Skill 330 → 335
GreenStep 19 · Skill 335 → 340
GreenCapped at what the market takes in 3 days, so a route never pretends to sell hundreds at once.
Questions
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.