sˈɪns ˌɪndᵻvˈɪdʒuːəlz tˈɪpɪkli duːnˌɑːt nˈiːd mˌʌltɪpəlz ʌv wˈʌn ˈaɪɾəm ɔːɹ duːnˌɑːt hæv ðə ɹᵻsˈoːɹsᵻz tə bˈaɪ ɪn bˈʌlk, ɡɹˈuːp bˈaɪz ɐlˈaʊ pˈiːpəl tʊ ɪnvˈaɪt ˈʌðɚz tə pˈɜːtʃɪs ɪn bˈʌlk dʒˈɔɪntli.
Since individuals typically do not need multiples of one item or do not have the resources to buy in bulk, group buys allow people to invite others to purchase in bulk jointly.