Fill a Power Armor of your choice with Fusion/Solar and Roboports. Blueprint/Deconstruct the base until you're blue in the face, or until you've run out of ramen.

On everything that can take productivity modules. Drills, furnaces, assembly machines, everything . At this point, the factory has actually produced more product than there exists raw resource. The other main reason is due to belt maximization and the actual speed limitations on inserters. Without p...