Hobby vs business factors

Nine-factor checklist with score · loss deductibility implication

Tax year 2025 D1.reporting-hobby
What this does
How to read it Visual: factor bars and a big lean meter — substance over labels.
Watch out Check factors that lean toward business (profit motive).

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.

Factor checklist (Reg. §1.183-2 themes)

Teaching lean
Business score
Loss deductibility
Business lean
Checked factors · business lean
Exam trap: Hobby losses are not deductible against other income; expenses limited (historically to income from the activity, subject to current law nuances). Presumption themes around profit in 3 of 5 years exist but are not automatic. Substance over labels.
← All widgets Diagnostic home

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.