dollar store

noun3

1. •
   (US, Canada) A retail store selling inexpensive items, especially one in which all items have a price of one dollar. (The latter type, whose name has the literal meaning, were formerly common and are now rare.)
2. •
   [before a noun] (US, Canada) Synonym of pound-shop: used to denote that something is low-quality or an inferior copy.

   • Once, I thought I saw her, but it was only another girl, with an East German guy, in the same dollar-store dress she’d worn for my camera. — 1995
3. •
   (historical) A government-owned shop in Cuba that sold goods mainly to foreigners and solely in exchange for hard currency.