Liarea
Grandfathered
Foreword
You heard me right. If you were unaware of the possibility of farming out BFA Rep before, but you're someone who needs to have their twink be maxed out with all reputations, then you're in for a depressing few months.
This doesn't apply to pure f2p toons as it involves BoA items
The Unshackled/The Waveblade Ankoan
This is the easiest rep to grind out to exalted out of all the BFA reputations. In patch 8.3 Blizzard added a BoA reputation token (Waveswept Abyssal Conch) which grants 250 Reputation for the cost of 20 Prismatic Manapearl
There are a multitude of ways to maximize the amount of manapearls obtainable per day, however, most efficient use of your time would be doing the dailies+WQs on as many toons as possible (I do 4) that awards manapearls while killing any rares or Algans found along the way.
To buy the BoA tokens you need to be Revered on the toon you purchase it on.
All the other Reputations except Uldum Accord/Rajani
Horde: The Honorbound, Champions of Azeroth, Tortollan Seekers, Rustbolt Resistance, Zandalari Empire, Voldunai, Talanji Expedition
Alliance: All of the above but alliance equivalence.
These farms will take months, even with farming them daily. With the introduction of 8.3, BoA reputation tokens were added for all of the reputations above; however, they are nowhere close as easily obtained as the Nazjatar reputations.
The tokens which drop from Island Expeditions that can be turned into specific NPCs, such as Azeroth's Tear. These award 250 reputation for the character turning them in. However, once you've become exalted AND earned your first paragon box, these turn-ins awards a BoA token which award 250 reputation (Tear of Azeroth for example).
You can get these tokens 3 ways: 1. End of IE reward 2. Loot from boxes you buy from dubloons 3. buy them for 100 dubloons.
First way is rather straight forwards, you run IEs and pray to the RNG gods.
Second way is the main way you're going to be getting these, despite the third way being a faster way of targetting a reputation, but here's why you should not be buying the individual reputation tokens.
The reputation tokens from The Honorbound, Champions of Azeroth, and Rustbolt resistance can not be bought from the vendors, they can only be dropped in chests or end of run rewards. That means that you should only ever buy the specific tokens once you're already exalted with the three reputations above.
I have not had the opportunity to test the efficiency of the various boxes, but it seems as though the reputation token drop rate are the same for all the boxes, which means you should be buying the cheapest one, which is Venture Co. 'Salvage' that cost 50 dubloons. These are on a weekly rotation, so you may have to wait for it to come back around before you can purchase it.
As you can store the tokens in your bag, it goes without saying that you ought to wait to use them until the Darkmoon faire is in town so that you may capitalize on that 10% extra free reputation.
Conclusion
Honestly, if you're looking to score these reputations, you are most likely better of waiting until Shadowlands where you'll be able to quest through the different zones to earn reputation with the various zones.
That being said, hether you can get to exalted at a lower level or not in Shadowlands is unclear, because I doubt you'll be allowed to run world quests at a lower level regardless.
With that, grind out these reps at your own risk, as they might get a lot easier to get in a few months. Grinding thousands of Island Expeditions sure as hell isn't for everyone.
[doublepost=1590252272,1590240860][/doublepost]If anyone finds a way to get rep for Uldum Accord or Rajani, let me know. Seems unlikely at this stage, however.