So I basically started with 96 reputations pre-BFA, everything (including Shendralar/Zandalar Tribe removed reps) except Bloodsail Buccaneers. I didn't know you could keep those at Exalted too while refarming goblin factions and never bothered to refarm after.
So knowing 97 reputations was the maximum amount pre-BFA, it would all come down to who farmed the new BFA reps the fastest (with a little bit of luck from table missions as well) and that it would be a realistic goal to hit world first 100 reputations as long as I managed to quickly do four new reputations. Also maining a human helps tremendously for the free +10% reputation on everything you do.
Immediately after I reached 120, i contracted
Champions of Azeroth and basically just started doing every World Quest possible on both continents (except "supplies needed" or certain "work order" WQs that i didn't have the mats for myself).
7th Legion was the first reputation I maxed out due of the sheer abundance of World Quests available on Zandalar. After maxing that out, i mostly stopped grinding out all of the world quests on Zandalar, but still focussed on specific ones like Champions, Tortollan or Azerite Power World Quests on the Horde continent.
I also immediately took advantage of the Darkmoon Faire carousel or
Цилиндр Новолуния buffs as soon as they were available on Sunday night.
I knew i was going to hit exalted with
Order of Embers and
Proudmoore factions today, since I had those at 20k+ after I stopped playing last night. Those 2 factions already start you well into Honored after just doing the storylines or sidehubs in Drustvar and Tiragarde respectively. For some reason, the other zone faction (
Storm's Wake) fell a bit behind me for at only 17-18k rep, maybe due to Emissary and Mission Table RNG.
For Champions it would come down to RNG and whether or not the emissary would spawn today. As soon as I saw it did, I just immediately grinded those 3 remaining factions (Order/Proudmoore/Champions) to finish up the 100 reputation achievement.
I'll definitely be using the title and mount wherever flying isn't available. I like exclusive or hard-to-get rewards and I also think it's one of the more-interesting horse skins.