
I know the cost represents the money courier corresponding values. But i think the cost should be 3 and in brackets chance of spawning. Like # 3 turns (xxx% chance).
This would be cool for random spawnings like auxiliaries and calling crusades also.

If this the carts is not randomized. I would definitely spam the mineral carts.
please use proper Subjects from topics (from the subject we should know the problem) the "i just saw this" means nothing about the problem.