A long video guide to all forms of raw gold in WoW.
To summarize:
1.Do all Gragonflight gold rewards (obviously).
2 Check SL callings if Ardenweald and Maldraxxus are up collect sputing growths/faerie caches/enchanted growths and if its up 800+ gold quest.
3. Do BFA gold quests only if a large number are clustered together during an incursion.
4. Do mostly first bosses from BFA LFR.
5 Do BFA sub-zones Darkshore, Arathi basin and Nazjatar if purple quests are up.
6. Do Visions main quests in Uldum and Pandaland with any associated blue gold quests and world boss purple quests.
7. Do LFR legion seat of the pantheon wailing halls and chamber of the avatar (marginal).