Buy- Vanilla
Even though most spices lose flavor after a while, vanilla is an exception. The large vanilla extract bottle at Costco is a great investment. This is especially good if you like spontaneous cookie baking sessions.

Buy- Vanilla
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Don’t Buy- Tissues
A lot of brands will do the trick for an odd sneeze, but you should get heavy-duty, high-quality tissues when you are dealing with a cold. Even though it is more economical to buy tissues in bulk, you should not risk the quality. When you have a runny nose, the thin and rough Kirkland tissues won’t do the trick.

Don’t Buy- Tissues