Selling snow to Eskimos

The phrase "carrying coal to newcastle" has similiar but not the same meaning.
"Newcastle on Tyne in England was a well known coal mining area and the UK's first coal exporting port. Taking coal there was an archetypally pointless activity"
The rest of the exposure can be read Carry col to Newcastle

This article Importing US made Ja. Patties to Jamaica is a perfect axiom for the phrase "Carrying Coal To Newcastle"

This additional article speaks volumes Imported Patty Row

This entire storm appears to be wrong on many levels.
-Currency exchange, when the Island is broke.
-support (or lack thereof) of the local Juci and Tastee.
-Frozen Patties in JA. (give me a patty and a coco bread)

Is this what is known as "selling snow to Eskimos"?

Walk Good