Buy: Organic berries
Organic berries are the only exception to the fresh produce rule we mentioned earlier. When they are in season, you can get a good deal on them. Berries might be delicious and healthy, but they can be pricey.

Buy Organic Berries
Skip: Flour, baking powder, and dried yeast
Baking ingredients such as baking powder, dried yeast, and flour have a short shelf life. You should not buy them in bulk since they tend to go bad in no time at all. It is better to get them in small amounts.

Skip Flour, Baking Powder, And Dried Yeast