1. There should be an option to craft 5, 10, 20 or 50 for every craft-able item.
a. These buttons should be on the side with the "fix" button. For example there could be 3 fix buttons perhaps depending on how many materials one has that would say "fix 10", "fix 20".
2. Each craft-able item should weigh less than the materials used to create it, so nothing spills onto the ground and no one is encumbered and has to discard their goods.