Everything described here will help increase supply and will mean any profits involved in building anything are soon identified and arbitraged (if that term is appropriate for industry).
If you want low level industry to be profitable you will have an easier time and more lasting effect by looking at the demand side of things.
Upping the rate of consumption/destruction is an obvious idea, but so is making low level stuff more useful and competitive.
Tech 1 ships get looked over too much. I get the impression tech 1 frigs are completely pointless because faction are so cheap for pvp and Destroyers are available to noobs for pve pretty much immediately.
But is noob industry that bad anyways? Ammo sells quite well.