Castellum Financial 
Cincinnati Office:
8044 Montgomery Rd Ste 700
Cincinnati, OH 45236
Phone:
- (513) 334-1621
- (513) 434-3583
Fax:
- (513) 806-2864
Newsletters
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Online Shopping in the Tariff Era
Even small online purchases that are shipped from outside the United States must now pass through customs — and are likely to incur duties.
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New Auto Loan Interest Deduction Explained
The One Big Beautiful Bill Act (OBBBA) provides an annual deduction of up to $10,000 for interest paid on qualifying new auto loans, effective for tax years 2025 through 2028.
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HOT TOPIC: Pressure at the Pump: Will High Gas Prices Shake the U.S. Economy?
This article looks at why gas is so expensive, what it might take to stop the upward trend, and the potential effect of high gas prices on consumers and the broader economy.
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HOT TOPIC: Geopolitics and the U.S. Financial Markets
This article looks at market reactions to previous global conflicts and emphasizes that long-term market movements are generally driven by corporate earnings, interest rates, and the broader economy.
Calculators
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Estate Taxes
Use this calculator to estimate the federal estate taxes that could be due on your estate after you die.
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IRA Eligibility
Use this calculator to determine whether you qualify for the different types of IRAs.
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Net Worth
A balance sheet summarizes your assets and liabilities and reveals your net worth.