Has this happened to anyone before?

is this a type of scam? i’m genuinely confused lol. they said they uploaded pics but when i first checked, there wasn’t anything uploaded. i called them out on it and then they actually uploaded the pics to which then i purchased the item. now they’re going back on what my offer was that they accepted? help

is this a type of scam? i’m genuinely confused lol. they said they uploaded pics but when i first checked, there wasn’t anything uploaded. i called them out on it and then they actually uploaded the pics to which then i purchased the item. now they’re going back on what my offer was that they accepted? help