ɡɹˈuːp bˈaɪɪŋ, ˈɔːlsoʊ nˈoʊn æz kəlˈɛktɪv bˈaɪɪŋ, ˈɔfɚz pɹˈɑːdʌkts ænd sˈɜːvɪsᵻz æt sɪɡnˈɪfɪkəntli ɹᵻdˈuːst pɹˈaɪsᵻz ɔnðə kəndˈɪʃən ðˌæɾə mˈɪnɪməm nˈʌmbɚɹ ʌv bˈaɪɚz wʊd mˌeɪk ðə pˈɜːtʃɪs.
Group buying, also known as collective buying, offers products and services at significantly reduced prices on the condition that a minimum number of buyers would make the purchase.