Write the next sentence in the following story.

How to efficiently pack goods in storage
Make an estimate of the replacement value of every item you store in order to help with accurate insurance policies and in cases of unforeseen damage within the self-storage facility.
Buy high quality sturdy boxes as well as packing materials.
Be aware that box strength degrades with use.
Know that if you purchase boxes of similar sizes, it will become a lot easier to stack them securely within the self storage facility and will certain save you space. Consider buying wardrobe or clothes boxes for your clothes.