[问题求助]装修公司搞活动有哪些猫腻啊

本地一家装修公司疯狂打广告，我微信广告点了一下就打电话过来了，我正好有个房子要装修，建面138平，那边报价17万优惠2万，还送这送那的，算下来基本软装都全包了，我把广告发一下，麻烦大佬看看有什么猫腻


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