There are much better alternatives if you can meet minimum required investment levels. Apple is a good alternative if that is not in your wheelhouse
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For example, if you have a brokerage account or any business with Vanguard, VUSXX which strictly invests in gov't securities is paying 5.3%. It as good it gets for security, yield and liquidity. However, VUSXX requires $3k increments going in or out. 24 hours cash returns going in or out. There are other similar funds besides VUSXX. All money market funds will move in concert with 90-day T-Bills.