We originally bought a 4 pack of various flavors to try a few of them. We had tried two of the four and were impressed with them. Then we opened the Balsamic Garlic Oil and just the smell was intoxicating, I wanted to just take a swig of it, that's how good it smelled. After cooking with it once, we quickly ran through the one bottle we had trying it in different dishes we had no choice but to order a box of 6 bottles. I'm not sure how long they will last as we keep trying it in different dishe...