Worth the detour

Reputations

Reputations with rewards worth working on while you level, filtered to your professions. Recipe data from ForeverChanges.

Waylaid Supplies

NewDurotar Supply and Logistics / Azeroth Commerce Authority · rewards cost Merchant's Favor

Fill Waylaid Crates with profession materials and hand them in at your faction's trade camp for Merchant's Favor, which buys 317 profession recipes no trainer teaches, plus a pet, a toy and a mount.

Where to go

AllianceMarcy BakerAzeroth Commerce Authority camp, Three Corners, Redridge Mountains[9.5, 71.1]
HordeDokimiDurotar Supply and Logistics camp, west of the Crossroads, The Barrens[50.0, 29.2]

How it works

Monsters sometimes drop a Waylaid Crate, roughly from level 7 to 26; you can also buy them at the auction house. Apprentice and Journeyman crates work from level 10, Expert from 20, Artisan from 35.
Right-click the crate and put in one of the materials it lists (for example 20 Peacebloom). No gathering profession needed: the materials can be bought.
Hand the sealed crate in at the camp for 5 to 20 Merchant's Favor. Crates for crafted goods pay twice as much as raw materials.
Your first crate also gives a Shipping Label: its quest pays 50 extra Favor and 2,000 reputation, once per character.
Spend Favor with the camp's profession vendors. Favor stays on the character who earned it.