(someone) could sell ice to Eskimos イディオム
sell snow to the Eskimos|Eskimos|sell|snow
v. phr. To sell something to people who already have a large quantity of the same or similar goods.
My Alaskan friend said, "One of the hottest businesses in Alaska is refrigeration. You could say that I, as a refrigerator expert, am selling snow to the Eskimos." See: CARRY COALS TO NEWCASTLE.
(someone) could advertise ice to Eskimos
Someone is an acutely smooth, charming, or actuating salesperson, such that they could advertise article to bodies who accept no charge or use for it. (The byword alludes to the assorted aboriginal peoples of the commonly cold, albino arctic circumpolar regions of the globe, who appropriately would accept no curtailment of (and no charge to buy) ice. It should be acclimated with caution, though, as the appellation "Eskimo" is advised by some to be abhorrent or derogatory. ) I can't accept you were able to advertise an added 200 units to the hospital. You could advertise ice to Eskimos!Learn more: could, Eskimo, ice, sell