Vanguard, Blackrock and State Street own the country and the government, so there are worse places to put your money in.I took half of my on-hand cash and put into my Vanguard Brokerage account settlement fund (VMFXX). It pays better than CD (currently 4.73%) and has no term commitment. If you pull out in the middle of the month before the dividends are paid at months end you will still get a prorated dividend payment.
Not giving financial advice but it’s something I’m doing to earn something on my “emergency fund”.