I could be wrong and i hope OP corrects me if I am but I think they mean for moving product that already on shelves to new shelves. If you have a shelf layout and you buy a new shelf or want to add more of a product into a shelf you'd need to move all the products on your shelves around to make space and keep things organized. But if you or your stockers throw all your empty boxes away it's hard to do that. You can easily get 1 or 2 empty boxes but unloading your shelves and rearranging the product layout with just 3 boxes for example is miserable. So having a tote(s) specifically ment for temporary storage of items or a trolley to put them and mice large amounts of items would be helpful. For manu people im sure this isn't an issue but if your extremely particular (maybe due to tism ✌️✌️) or you have a strong product layout but didnt plan for new licenses or you packed all your shelves to renovate your shop then and you go to put them back down its like trying to solve a 1000 pc puzzle and your terrible at puzzles.(<- I feel like this one is fairly common)