Just in Lime

One allowance here buys 2,088 gil, the best on the Lv 82 Miner fieldcraft rung — matched exactly by 1 other leve of the 3 there, with the rest trailing at 1,904 gil or less.

On whether to wait: the best Lv 84 Miner fieldcraft leve returns 2,132 gil per allowance, 2% more than the best on this rung, while the Lv 80 rung behind tops out at 2,044 gil.

At Lv 82 this data holds 24 leves paying gil across 2 categories: the 8 Fieldcraft ones average 2,085 gil per allowance, the 16 Tradecraft ones 4,300 gil, which puts this leve 0% above its own category's average.

The Great Work, Thavnair issues 15 leves in this dataset, Lv 82 through Lv 88, across 3 disciplines.