大家好，

最近我花了很多时间试图从我的投资组合中去掉“噪音”。我们每天都被日线图、季度收益和“专家”预测轰炸着，这真的是令人疲惫的，而且这会导致情绪化的决策。

我回到了巴菲特的哲学基础上，不仅仅是“低买高卖”的陈词滥调，还有建立伯克希尔的实际思维模型。我找到了几个不常讨论的教训，它们完全改变了我对我的交易账户的看法。

以下是4个非常见的教训，它们改变了我的策略：

* 1. “沙漠岛”过滤器：巴菲特问道：“如果你被困在岛上10年，无法与外界联系，什么股票你会在离开之前购买？”这迫使你忽略季度噪音，仅关注持久的竞争壁垒。如果你不舒服地不检查价格10年，那么你不应该拥有它。

* 2. 不要“保护自己免受损失”：过度多样化往往只是为了保护自己免受风险，结果却阻止了利润。每年选择一个优质投资并持有它比在20个资产中分散投资更有效。

* 3. “卸载”技巧：经纪人设计的应用程序旨在让你焦虑并交易（因为他们从交易量中受益）。如果你的投资目标是长期的，那么每小时检查价格对基本面不会有任何影响，但它会增加情绪化错误的可能性。

* 4. 信用作为一种选择，而不是债务：你的信用worthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthworthw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