Pruned to Perfection
Location
Required Items
Rewards
What the allowance actually buys
One allowance here buys 1,443,780 EXP, the best of the 2 Lv 86 Blacksmith tradecraft leves that record EXP: the runner-up manages 1,083,940 EXP, 25% less.
On whether to wait: the best Lv 88 Blacksmith tradecraft leve returns 2,297,800 EXP per allowance, 59% more than the best on this rung, while the Lv 84 rung behind tops out at 1,746,150 EXP.
At Lv 86 this data holds 18 leves paying EXP across 2 categories: the 16 Tradecraft ones average 1,557,007 EXP per allowance, the 2 Fieldcraft ones 2,953,920 EXP, which puts this leve 7% below its own category's average.
Manganese Garden Scythe ×1 is a Lv 87 Blacksmith recipe, 2 steps deep through 3 intermediates, costing 21 units of raw material and 48 crystals.
Handing that in returns 68,751 EXP and 238 gil for every unit of raw material the order swallows, and the tree needs Blacksmith, Carpenter and Goldsmith.