Your Mother Is Medicine and Your Father Is the Wild

One allowance here buys 1,097 gil, the best of the 6 Lv 54 Botanist fieldcraft leves that record gil: the runner-up manages 1,032 gil, 6% less.

Across that rung the return runs from 448 gil to 1,097 gil per allowance — 5 distinct figures spanning 145%, so the wrong pick leaves 649 gil of the allowance unspent.

On whether to wait: the best Lv 56 Botanist fieldcraft leve returns 1,608 gil per allowance, 47% more than the best on this rung, while the Lv 52 rung behind tops out at 1,062 gil.

At Lv 54 this data holds 72 leves paying gil across 3 categories: the 18 Fieldcraft ones average 655 gil per allowance, the 6 Battlecraft ones 1,057 gil and the 48 Tradecraft ones 544 gil, which puts this leve 67% above its own category's average.

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