pricing. reporter: our station wabc recently discovering on vegas.com that two nights at the stratosphere hotel will cost you $596 on the computer, but look up that same trip on a mobile device, and it s $535. $61 cheaper on your phone. vegas.com telling us consumers shopping on mobile are more spontaneous, and tend to book closer to arrival. they will cut the price on your phone, because it s always with you. reporter: but it s not just your device, but where you re shopping from. this lawn mother mower, $399. after changing the store location, the online price dipped to $374. $25 less for same model. on lowes.com, we found this barbecue listed for $498 for in-store pickup in new york.