Don't Eat the Shrooms
Location
Rewards
What the allowance actually buys
One allowance here buys 1,426 gil, which places it 2nd of the 3 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 958 gil to 1,504 gil per allowance — 3 distinct figures spanning 57%, so the wrong pick leaves 546 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 4 categories: the 3 Battlecraft ones average 1,296 gil per allowance, the 9 Fieldcraft ones 1,032 gil and the 24 Tradecraft ones 810 gil, which puts this leve 10% above its own category's average.
Camp Cloudtop, The Sea of Clouds issues 13 leves in this dataset, Lv 52 through Lv 56, across 4 disciplines.