excess units are the bane of my existence
find a planet with a deficit commodity required by one of its industries, alongside poor accessibility. sell the commodity^2 that is currently being produced by the industry with the deficit. then, make up the deficit. this will cause there to be new units generated, and allow you to buy everything back at a cheaper price, repeatable however many times you'd like.
Step 1:
Step 2:
Alex ong please nerf excess units
