Nearly Bare
Location
Required Items
Rewards
What the allowance actually buys
One allowance here buys 1,355,750 EXP, the best of the 2 Lv 80 Alchemist tradecraft leves that record EXP: the runner-up manages 724,620 EXP, 47% less.
On whether to wait: the best Lv 82 Alchemist tradecraft leve returns 1,525,130 EXP per allowance, 12% more than the best on this rung, while the Lv 78 rung behind tops out at 1,201,060 EXP.
At Lv 80 this data holds 18 leves paying EXP across 2 categories: the 16 Tradecraft ones average 854,332 EXP per allowance, the 2 Fieldcraft ones 2,459,716 EXP, which puts this leve 59% above its own category's average.
Gaja Grimoire ×1 is a Lv 81 Alchemist recipe, 3 steps deep through 5 intermediates, costing 33 units of raw material and 70 crystals.
Handing that in returns 41,083 EXP and 148 gil for every unit of raw material the order swallows, and the tree needs Alchemist, Carpenter, Goldsmith and Leatherworker.