The other issue will be of pack creation. If you run into a deficit of one pack it will mess up your throughput.
Not necessarily. The way I discovered that blue belts allow 3 per side is when I upgraded the initial red belt output to a blue belt. I was trying to see if the alternating pattern ...

Most people know that it is possible to separate items on to separate sides of a belt. However, there is a way to evenly distribute multiple items onto one side of the belt. I don't think I am the first person to discover this, but I have not seen any posts on the forum about it so I thought I could ...