[KongchangAI]
Unverified75% confidenceTradeoffTime unknown

预售定金膨胀(如定金50抵100)看似优惠大,但定金通常不退且尾款期锁死价格,若大促当天出现更低的现货直降,预售反而更贵;仅当预售总价确实低于现货且商品稀缺时才付定金

1
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75%
Confidence
Long-term
Relevance
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Stable URI
https://kongchang.com/claim/216752
API
curl https://kongchang.com/api/v1/knowledge/claims/216752
MCP
get_claim(id=216752)