Raise the Roof

One allowance here buys 3,780 EXP, which places it 6th of the 6 Lv 10 Carpenter tradecraft leves that record EXP. The best of them, Life's a Stitch, returns 13,090 EXP for the same allowance, 246% more.

Across that rung the return runs from 3,780 EXP to 13,090 EXP per allowance — 6 distinct figures spanning 246%, so the wrong pick leaves 9,310 EXP of the allowance unspent.

On whether to wait: the best Lv 15 Carpenter tradecraft leve returns 24,790 EXP per allowance, 89% more than the best on this rung, while the Lv 5 rung behind tops out at 6,840 EXP.

At Lv 10 this data holds 52 leves paying EXP across 2 categories: the 48 Tradecraft ones average 8,265 EXP per allowance, the 4 Fieldcraft ones 43,676 EXP, which puts this leve 54% below its own category's average.

Gil ranks it differently: 287 gil per allowance is 1st of 6 on the same rung against 6th on EXP, with the best there paying 287 gil.

Ash Lumber ×1 is a Lv 10 Carpenter recipe, a single step, costing 3 units of raw material and 1 crystal.

Handing that in returns 1,260 EXP and 96 gil for every unit of raw material the order swallows.