The cost of growing is probably more than you're thinking, but there's also the cost of transporting the produce + keeping it fresh. I'd imagine that doing so would also involve magic stones, so producing locally could require significantly fewer stones (ex. depending on distance, amount being...
Nah, there are actually some interesting comparisons.
For chapter 2, you can compare the bonefish to eggs; too low of a cooking temperature is bad because pathogens can survive, and too high will create the green sulfurous ring around the yolk. Obviously, there's a much larger edible range for...