You sold an investmentA late-year stock gain can create a payment-timing problem
Compare withholding, safe harbors and annualized income before assuming an estimated payment is the only answer.
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You financed a vehicleCar-loan interest depends on the vehicle, loan and taxpayer
Newness, U.S. assembly, personal use, refinancing and income can all change whether the deduction applies.
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You changed retirement accountsAn IRA contribution and conversion may belong on different returns
Basis can begin on one Form 8606 and carry into the return that reports the later Roth conversion.
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You traded across account typesAn IRA purchase can affect a taxable-account loss
A substantially identical IRA purchase can disallow the loss without adding the disallowed amount to IRA basis.
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You began working remotelyRemote work alone does not create a federal home-office deduction
A regular W-2 employee generally cannot claim the federal deduction solely because work moved home.
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You reached retirement ageThe senior deduction does not depend on receiving Social Security
Eligibility follows age, income and the other applicable rules—not whether Social Security benefits have started.
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