Essentially free. You have your armory full of gear, you just have to order your people a 'call to arms,' and when you do that, those people stop producing crops, and you have to give them a paycheck every season.

When Flooby calls roll I will make crop sheets for those who are in so that Flooby knows everyone is either stable or not. He will also be able to edit the tables so he knows the math is real and not false.