Cool idea for a program! Unfortunately, I don't have a lot of good answers for you.
1. I don't know =(
2. As far as I know, we don't have access to any resource costs. We have discussed it, and it's probably worth creating an issue in GitHub for making balance data accessible. Could you perhaps do that?
The IRC channel isn't active anymore. Probably the best place to get in touch with people is in the GitHub issues since we're pretty scattered.