
Investment interest expense can be a complex topic, but it's essential to understand what it does not include to make informed financial decisions.
Interest on tax-exempt bonds is not included in investment interest expense.
Investors often overlook this crucial point, which can lead to incorrect calculations and penalties.
Investment interest expense does not include interest on municipal bonds, which are exempt from federal income tax.
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What Investment Interest Expense Does Not Include
Investment interest expense does not include personal, living, or family expenses. These are expenses that are not related to your investment activities.
Mortgage interest on your primary residence is not considered investment interest expense. This is a key distinction to keep in mind when filing your taxes.
Expenses related to a home office or business use of your home are also not included in investment interest expense. This is because they are considered business expenses rather than investment expenses.
Interest on credit card debt or other personal loans is not deductible as investment interest expense. This is because these debts are not related to your investment activities.
Expenses related to the purchase or sale of a primary residence, such as real estate taxes or title insurance, are not included in investment interest expense. These expenses are considered personal expenses rather than investment expenses.
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Examples of Excluded Expenses
Investment interest expense does not include expenses like property taxes, which are typically paid separately.
Points to note are that investment interest expense also excludes mortgage interest on a personal residence, even if it's used to generate rental income.
Other excluded expenses are home maintenance and repair costs, which are usually not considered investment expenses.
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Taxes and Fees
Taxes on foreign income are not deductible from your US tax return, which can be a significant financial burden for expats.
The IRS considers taxes paid to a foreign government as a tax credit, not a deduction, which can be a complex process to navigate.
Foreign taxes paid on dividends and interest income are eligible for a foreign tax credit, but only up to the amount of US tax owed.
Expats often face double taxation, where they pay taxes on the same income in both the US and their host country.
The US and Canada have a tax treaty that helps alleviate double taxation for individuals who are residents of both countries.
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Other Expenses

Travel expenses, such as transportation and lodging, are not reimbursed for business use of a home office.
Home office expenses like utilities, insurance, and maintenance are not eligible for reimbursement.
Furniture and appliances for a home office are not considered business expenses.
Phone and internet services are not reimbursed for personal use.
Depreciation
Depreciation is a type of expense that's not deductible for tax purposes.
It's calculated by subtracting the salvage value of an asset from its cost.
The salvage value is the amount an asset is worth after it's fully depreciated.
For example, a car that's expected to last for 5 years and retain a salvage value of $2,000 can be depreciated over that period.
The IRS allows businesses to use various depreciation methods to calculate the value of their assets.
Straight-line depreciation is a common method that involves dividing the difference between the cost and salvage value by the number of years the asset is expected to last.
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Frequently Asked Questions
What is included in the investment interest expense?
An investment interest expense includes interest on loans used to buy investments, such as margin interest on brokerage accounts and interest on loans for investment properties
Sources
- https://www.schwab.com/learn/story/investment-expenses-whats-tax-deductible
- https://www.investopedia.com/terms/i/investment-interest-expense.asp
- https://www.btcpa.net/insights/investment-interest-expense-deductible-or-not-2
- https://keitercpa.com/blog/maximize-tax-savings-investment-interest-paid/
- https://www.law.cornell.edu/uscode/text/26/163
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