Do you have significant investment-related expenses, including the cost of subscriptions to financial services, home office expenses and clerical costs? Under current tax law, these expenses aren’t deductible through 2025 if they’re considered investment expenses for the production of income. But they’re deductible if they’re considered trade or business expenses. For years before 2018, production-of-income expenses were deductible, but they were included in miscellaneous itemized deductions, which were subject to a 2%-of-adjusted-gross-income floor. (These rules are scheduled to return after 2025.) If you do a significant amount of trading, you should know which category your investment expenses fall into, because qualifying for trade or business expense treatment is more advantageous now. In order to deduct your investment-related expenses as business expenses, you must be engaged in a...