Thank you for the reply, Greta! That was very helpful and partially solved the issue.
My next question would be: I will need different sized packages for different volumes that are purchased (i.e. if someone buys an 8ct of my product, I would need a small box. If they buy a 4ct, I would use a bubble pack). Is it possible to have the shipping package be size dependent?
My shop is still in development so it currently cannot be viewed but I am just testing internally to make sure the checkout/shipping is calculating correctly.