These platforms have become notorious for scams, especially when it comes to high-demand products like iPhones. Common scams include selling fake or stolen phones, phones that are locked or blacklisted, or phones with hidden defects that only show up after you’ve made the purchase. Scammers often use bait-and-switch tactics or vanish once the deal is done. Many buyers have reported paying for a device that never arrives or being handed a non-functional unit with no way to get their money back.