You can buy more I Bonds at TreasuryDirect in a trust. The trust can have the same tax ID, email address, and bank account as your personal account.
Real life experience and learning from maintaining and executing an estate plan.
Just having a trust document doesn’t do much. You need to put accounts under the trust’s name. I walk you through for how we did it with Fidelity, Vanguard, and Merrill Edge.
Using the legal plan through an employer works for simple estate planning.