Nine-factor checklist with score · loss deductibility implication
Score the nine hobby-vs-business factors. A high business lean supports Schedule C loss treatment; hobby treatment limits loss write-offs.
Visual: factor bars and a big lean meter — substance over labels.
Study tool only — not official IRS software. Figures labeled 2025 track law/forms through Dec 31, 2025. Confirm against current IRS pubs before the exam.