Don't Eat the Shrooms

One allowance here buys 1,426 gil, which places it 2nd of the 6 Lv 56 battlecraft leves that record gil. The best of them, Two Birds, One Culling, returns 1,504 gil for the same allowance, 5% more.

Across that rung the return runs from 486 gil to 1,504 gil per allowance — 5 distinct figures spanning 209%, so the wrong pick leaves 1,018 gil of the allowance unspent.

On whether to wait: the best Lv 58 battlecraft leve returns 1,610 gil per allowance, 7% more than the best on this rung, while the Lv 54 rung behind tops out at 1,332 gil.

At Lv 56 this data holds 72 leves paying gil across 3 categories: the 6 Battlecraft ones average 1,047 gil per allowance, the 18 Fieldcraft ones 765 gil and the 48 Tradecraft ones 598 gil, which puts this leve 36% above its own category's average.

Foundation issues 360 leves in this dataset, Lv 50 through Lv 58, across 12 disciplines.