[genchan]

My big problem with Cosco isn't that their prices are higher - I think they are better than my local store - but that you have to buy in volume. While the per unit price is less, I end up consuming more (and faster) so in the end it costs me more.

If I go to my local store and but 2 candy bars for $1 a piece, I spend $2 and they will last a week. I buy a box at Cosco of 24 candy bars for $12, they still will be gone in a week. Even though the unit price is less, I end up spending more.