投資不可能100%正確，但我們可以在每個季度去不斷核實我們假設的metrics。

Buy and Hold does not mean we never sell stocks. But we only sell stocks if and only if the fundamental in our assumption model has drastically changed

At this time, there is no signal of any sort that TSLA is behind in our assumed fundamental, so, will hold this 10x stocks for next 3-5 years until otherwise