I've been watching money market yields for the last several months as interest rates have skyrocketed. I compare the 7 day yield of my money markets at Fidelity, T Rowe Price and Vanguard to see where the best "bang for the buck" exists.
The following is classic Charlie Munger quote from a 2008 speech,- calling it like it is! The entire speech is attached below. It makes me laugh, but is so true.