About this ebook
The IRS applies the Groetzinger standard — established by the Supreme Court — to determine whether gambling is a trade or business. It's not about how much you win. It's about whether you approach gambling with regularity, continuity, and a genuine profit motive. Courts have ruled on dozens of these cases, and the bar is real.
On the advantage side, professional gamblers file on Schedule C and can deduct travel, software, entry fees, and other legitimate business expenses — plus carry forward net operating losses. On the disadvantage side, you'll owe 15.3% self-employment tax on your net gambling income, plus quarterly estimated payments. This guide helps you decide honestly whether the classification works in your favor.
If you gamble seriously and often, this is the guide that helps you make an informed decision — not one you'll regret when audited.
WHAT READERS WILL LEARN
The IRS Groetzinger standard — the Supreme Court framework that defines professional gambler status
The profit motive and regularity test — what the IRS actually looks for, and how courts have ruled
Schedule C filing advantages — deductible business expenses, net operating loss carryforward
The 15.3% self-employment tax disadvantage — and how it changes the math for many gamblers
Record-keeping that documents professional status — what your session logs need to show to survive IRS scrutiny
When and how professional status gets challenged — common audit triggers and how to defend your classification
Discover more
About the author
The author is the editor of casinoonlinegaming.com greenbaycasino.com and slotbonuses.info, where they publish educational articles analyzing casino games from a mathematical and probabilistic perspective. That work focuses on game structure, probability, and common misconceptions rather than betting advice, systems, or strategies.
Writing under the Games Explained Honestly imprint, the author specializes in clear, probability-first explanations of casino games and gambling mechanics. Rather than offering methods to win or promises of outcomes, the work examines how games are designed, how probabilities are fixed, and why player experience often conflicts with mathematical reality.
The books in this series draw on publicly available information, standard principles of probability, and established concepts from game design and behavioral psychology. They are written for readers who want understanding instead of folklore, clarity instead of illusion, and explanations grounded in structure rather than belief.
The author does not provide legal advice, gambling advice, financial advice, or recommendations. All content is educational in nature and intended to help readers better interpret chance-based games and their own experiences with them.
