Offer your thoughts or opinion on the input financial query or topic using your financial background.

If there's no volume discount, does buying in bulk still make sense?
It could be a sunk cost.  If you buy 5 gallons of vegetable oil it costs $50.  Until you use up all the vegetable oil you dollars are tied up and cannot be spent on popcorn or any other good. So weigh if the convenience is more important than having the cash on hand for other purchases is another factor to consider