These in sum do not exceed about 8% of my portfolio, and is weighted more towards gold. I reduce my bonds allocation by 8% to make room for these.
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The reasoning is to keep some investments non-correlated with stocks/bonds. [This correlation matrix site](https://www.etfscreen.com/correlation.php) is useful for investigating this.
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## Holding cash
Banks are going to give you complete shit return for holding your cash. A HYSA will give you better return, but sometimes suffer from bad checking account features. For example, Wealthfront has very bad check-writing abilities.