To truly be efficient, you need to do more than target the system. You need to aim for those who are central to it, or those whose decisions are directly responsible for your troubles.

[Ash, this really isn't the right time to be helpful.]

Using their own supplies is an excellent idea, but you'd need the right informants to know where they are kept, and how to obtain them without endangering your allies. You also need a way to recognize spies among your ranks, or else your ideals will die before you get anywhere.