Seems natural that the AI would be good at this.  This game is one part strategy, one part situational awareness, and one part mass number crunching.  Well, I can tell you what part the AI would naturally be better at than I am.  I remember watching Soren Johnson playing before early access released.  He shutdown facilities and wiped out more than 60K in debt and made quite a bit of money before the market finally came into line.

I wonder if it would be cheating for the Interface to highlight things being produced that could be purchased more cheaply.  I realize you can't take it too far, because you could just get to a point where the AI is running your game, but I really think something to help with calculating the costs of production vs. purchase could help people out a lot.

I was not implying a 3rd party overlay.  I guess I shouldn't have said cheating.  I was suggesting some kind of built in prompting as to whether it was good to have production active for an industry.

If you're spending power producing materials without value or have a vast stockpile, by all means disable if the power is too costly. You can now just shift click buildings to toggle power on/off. 

I've done that. It is kinda micro, that's where the RT comes in.