In the early game, I kept juggling items around because of the limited inventory size. I felt the inventory size was too small. Later on, with the research expanding the inventory, I eventually got to a point where I was fine 95% of the time.
This was especially true before I built my HUB. While I was looking for a good iron spot, I picked random stuff around and I quickly filled up my inventory.
Adding 5 slots to the initial inventory size would go a long way to improve the early game inventory juggling. It would ease the transition to a larger inventory with the research.