Buy the useful amount.
Compare unit prices, shelf life and storage space. A larger pack is only a saving when it will actually be used.
Before deciding
Write down the actual need, the size or capacity required, the total cost and any current seller conditions. Separate what you can verify from what a product photograph merely suggests.
Keep the context
These are introductory editorial notes. We do not claim a hands-on test or direct purchase unless a specific article clearly documents one.