The beginning
First quest comes from Ponzo "Get rich Quick" which is an introduction and rewards 1 Barter Brick.
After you hit Rank 3 with Loam Niffen, you will get a quest to talk to Ponzo. This leads to a quest (Bartering 101) that takes you to Valdrakken and also rewards 10 Barter Bricks.
You will now unlock daily quests, in which of these quests rewards 5 Barter Bricks each, meaning 10 in total per day. The other quest(s) are tied to your profession and rewards 3 Knowledge points.
Sniffseeking
Completing a sniffseeking can reward 2-4 Barter Bricks.
There are also quest items that you can find when sniffseeking that rewards 2 Barter Bricks when completed. This seems to require Renown 9 to unlock.
There is also a mouse (Treasurewhiskers) that you can look for when sniffseeking that rewards 2 Barter Bricks when killing it. This seems to require Renown 9 to unlock.
Treasures
There are special trasures called "Ritual Offering" in the Zaqali Caldera area in Zaralek Cavern. You can get a cap of 4 Barter Bricks a day from them.
There is also a daily treasure called Witherlodge in Zaralek Cavern that can contain 1 Barter Brick.
Rares
Low chance on getting them from rares.
Other posts
- The Ultimate Guide to Citrine Gems in 11.0.7
- What’s Happening This Week in World of Warcraft
- Not the Tank’s Fault in Timewalking Dungeons: Understanding the Scaling Issue
- The Top Meta Specs for Patch 11.0.7
- Transform Into the Ultimate Mount: Discover How to Unlock Jani's Trashpile and start already Now!
- Exciting Update: Plunderstorm Dates Announced for 11.0.7 PTR
- Guide to Obtaining 597 ilvl Champion Gear in Patch 11.0.7
- Upgrade Your 11.0.7 Ring (Cyrce´s Circlet) in Just ONE DAY! Not 6 weeks
- War Within Season 2 Dungeon Rotation
- All You Need to Know About The War Within Patch 11.1: Undermine(d) – New Mounts, Raids, Dungeons, and More