Quality over Quantity

One allowance here buys 44,230 EXP, which places it 3rd of the 6 Lv 30 Leatherworker tradecraft leves that record EXP. The best of them, The Hand that Bleeds, returns 67,730 EXP for the same allowance, 53% more.

Across that rung the return runs from 10,740 EXP to 67,730 EXP per allowance — 6 distinct figures spanning 531%, so the wrong pick leaves 56,990 EXP of the allowance unspent.

On whether to wait: the best Lv 35 Leatherworker tradecraft leve returns 94,160 EXP per allowance, 39% more than the best on this rung, while the Lv 25 rung behind tops out at 41,630 EXP.

At Lv 30 this data holds 52 leves paying EXP across 2 categories: the 48 Tradecraft ones average 44,832 EXP per allowance, the 4 Fieldcraft ones 275,323 EXP, which puts this leve 1% below its own category's average.

Gil ranks it differently: 460 gil per allowance is 2nd of 6 on the same rung against 3rd on EXP, with the best there paying 563 gil.

Boarskin Himantes ×1 is a Lv 33 Leatherworker recipe, 2 steps deep through 2 intermediates, costing 6 units of raw material and 12 crystals.

Handing that in returns 7,372 EXP and 77 gil for every unit of raw material the order swallows, and the tree needs Blacksmith and Leatherworker.