[求助] 各位老哥，帮我看下，是不是被套路了，该怎么应对

8月底给媳妇买的华为mate40pro+，8+256的，媳妇嫌重，所以给她买了快13mini，这块打算出掉，闲鱼一哥们说的挺好，让给便宜点，当天确认；我看之前交易记录就1个，但信用极好就卖了。好家伙，今天到手后，各种拿着显微镜给我找，真就艺术家了。反手让我刀500，我刀他大爷，看我不接受，还反复跟我讲价，我真是见了鬼了。
附上截图，这是个什么神仙，怎么感觉就是个骗子啊，各位老哥帮我分析分析该怎么办
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