Maybe present the cost of this as wellbusdriver11 wrote: ↑Sun Mar 19, 2023 10:08 pm But I think if I present the risk of having over 250K there, she may be less comfortable, and be willing to change something.

Fidelity has a good auto roll system for T-bills. Vanguard has the best (cheapest) treasury money market fund. And I would say that Schwab has the best fraud protection, at least it seemed so 5 years ago based on this:
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