Parent battles , arguments , and fights grew higher at the popularity of them , and when retail supplies ran out , parents turned to the Internet , where Furbies could be purchased for two , three , or more multiples of their retail price . Parental battles , arguments , and fights increased rapidly as supplies dwindled , and when retail supplies ran out , parents turned to the Internet , where Furbies could be purchased for two , three , or more multiples of their retail price .