On Wed, 16 Aug 2017 08:58:13 -0700 (PDT), sanne
> wrote:

>Am Mittwoch, 16. August 2017 17:03:42 UTC+2 schrieb Gary:
>> "U.S. Janet B." wrote:
>> >
>> > Once every couple of years I buy a pack of white terry shop cloths at
>> > Costco. The stack of them lasts a couple of years and get passed on
>> > to my husband to become rags/shop cloths. There's maybe 50 or more
>> > cloths for $15 (approx)
>
>That's 30 Cents per cloth (or a little less).
>
>> Yikes! What a great deal. I also buy the large packs of white
>> terry cloths but at Walmart or Target it's more like 12 for 3-4
>> dollars.
>
>That's 25 to 33 1/3 Cents per cloth.
>
>> Good deal and I need to buy more next time I go.
>
>Maybe.
>
>> Your price is so much better.
>
>No.
>Don't get fooled by bulk prices. The shops learned how to milk their
>customers as much as they can. Often, the medium-sized packages are the
>ones you pay the least for per weight/volume/item.
>
>Bye, Sanne.

That's because typically the medium sizes are those that sell the most
volume... retailers don't make any profit from the bulk sizes that
just sit in stock due to the high price for so large an amount.

And it doesn't always make sense to buy in bulk sizes, not if one
doesn't get to use it all.