group buying
offering or seeking products and services at significantly reduced prices on the condition that a minimum number of buyers would make the purchase
en-GB/ˈɡɹuːp ˈbaɪɪŋ/
en-US/ˈɡɹup ˈbaɪɪŋ/
offering or seeking products and services at significantly reduced prices on the condition that a minimum number of buyers would make the purchase