I didn't start recurring questing on my main city until I got to OF but I can't see switching to spend fp because it's 139fp's and who knows how much higher in VF. In OF you can use Blacksmiths(2x2) and since I got to the end of the story questline that got replaced with a third recurring questgiver so I could fill my city with blacksmiths and the quest requirement is 6x 24h supplies so with 300 blacksmiths let's say you'd get 150 quests completed a day. The Unbirthday Party quest in OF requires 500,000 c/s, in VF it's 800,000 so that's not really feasible.
In AF you have Crystal Flower Store (3x2) you can use, OF we have Blacksmith so hopefully at some point in VF they'll have some smaller building like that or else I'm stuck in OF foreva
I haven't leveled my Arc to 80+ and my CF is only 14. I suppose if I had both to 80+ and spent all the livelong day GB hunting I could take more advantage of other quests but how much relative to the 24h supplies quests I don't know, 150 a day now is good enough for me not to worry about that.