Should I do estimated taxes for 2018 when U.S. Bonds EE matures in November and I don't know exactly how interest I will get?
You certainly can if it will ease your mind that by making estimated tax payments you may avoid any tax underpayment and possibly penalty.
Please see this TurboTax FAQ for more information about how to calculate
next year's federal estimated taxes (1040-ES vouchers)? https://ttlc.intuit.com/replies/4242911
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