The QBI Deduction Is Not Twenty Percent of Every Owner Dollar
Separate qualified business income, owner compensation, taxable-income limits, and business-level inputs in the projection.
TOPIC COLLECTION
Tax calculation
A focused reading path from The Profit Planning Journal. Start with the question closest to your situation, then review the linked sources and documentation steps.
A Sole Proprietor’s Home Office: Compare Actual Expenses With the Simplified Method
Qualify the space first, then evaluate the deduction and its recordkeeping consequences.
Self-Employment Tax: Why Income-Tax Deductions Do Not Explain the Whole Bill
Separate the Social Security and Medicare calculation from the ordinary income-tax projection.
Additional Medicare Tax: Your Employer’s Withholding Threshold Is Not the Household Limit
Coordinate wages and self-employment income before assuming payroll has already covered the extra tax.
Investment Income Beside an Active Business: Map the 3.8 Percent Tax Separately
Understand the net investment income tax before assuming all owner income faces the same surtax.
Owner Education: Improving Your Current Trade Is Different From Qualifying for a New One
Evaluate course content and existing work before treating an expensive program as a business deduction.
Preopening Costs: Apply the Startup Phaseout Before Assuming a Five-Thousand-Dollar Deduction
Separate startup, organizational, asset, and operating costs and document when the active business begins.
A General Business Credit Is Not Always Cash You Can Use This Year
Separate credit eligibility, calculation, current utilization, and carryforward before reducing the reserve.
Small-Employer Health Credit: Count Full-Time Equivalents Before Estimating the Benefit
Headcount, wages, coverage arrangements, owner exclusions, and the two-year period all matter.
Working Away From Home: A Temporary Assignment Is Not the Same as a New Tax Home
Apply the travel framework before treating months of lodging and commuting as business expenses.
A Lender Forgives Debt: Cash Relief Can Create Income Without a New Deposit
Evaluate cancellation income, exclusions, attribute reduction, and the exact taxpayer before spending the savings.
A Big Deduction Meets AMT: Compare the Final Tax, Not Just Regular Taxable Income
The alternative minimum tax can change the value of deductions and incentive stock-option decisions.
Passive Investment Losses Do Not Automatically Offset Your Operating Business
Classify activities and apply the loss restrictions before using an investment loss to shrink the reserve.