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And Please keep good records for your wife and children. I spent three-four months about ten years ago searching for CDs in every bank in two states after a phone call from a friend alerting me that there was a CD in my mother's and my names drawing less than 0.1%. She had them scattered everywhere in her name and all her descendants names in multiple banks. She was over ninety years old and had just lost track. CDs were in all three of her kids names, plus five grands, six great grands, and several (but not all) of her ten great grands. I had to straighten the mess out and redo everything in a fair way. It was a nightmare.
Anyway, good luck and give Fidelity a look.
RSKY
DEFINITELY keep track.
We had an Uncle who was a REAL rocket scientist at Huntsville, AL. for his 40 year career. And also had a house in Fulton, MS. about a 3 hour drive. He had a habit of stopping at little banks on the way and setting up accounts. He passed away. My wife was an executor on the estate. It took almost a year to track down what we hoped was all his accounts, in his name, his wife's name, both names. Unfortunately his wife had dementia and couldn't help.
And on the treasury bill issue I've posted about that before. Right now my 4 week notes are getting 5.4%, when they mature I can have them roll over into the next auction for up to two years.
I started out buying treasury bills and notes at the counter back about 1976. My work required I drive almost right past the building in DC, so I'd stop off, pop in and buy a bill.
DC has gotten crazy in the last 40 years so Treasury Direct is a lot easier

And there are no fees, hidden or otherwise.
Treasury direct can be handled without a brokerage account, but it's like changing your own oil without a lift, versus having a dealer do it for the cost of the oil.
On the other hand with my brokerage accounts they kept changing names and owners over the years.
It's unlikely Treasury Direct will be bought out.
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