Don’t Buy- Spices
Spices can not stay on the shelf for too long, or else they will lose their flavor. It’s better to buy the smaller jars unless you are cooking for a huge amount of people regularly. But come on, let the Italian Restaurants use those.
Buy- Vanilla
While spices lose their flavoring, Vanilla doesn’t. You can buy a huge size of Costco’s vanilla extract, and it will be a great investment. You never know when you may want to do some cooking, so it’s better to have it lying around.