Good records can be the difference between winning and losing an IRS hobby loss audit. Learn which documents impressed the Tax Court, how successful taxpayers proved profit motive, and the records every business owner should maintain under IRC Section 183.

In Young v. Commissioner (T.C. Memo. 2025-95), the Tax Court denied deductions because the taxpayers failed to demonstrate a profit motive and lacked organized records. The ruling highlights that good intentions do not substitute for disciplined accounting and documentation.