Depends on your structure: sole proprietors use Schedule C (Form 1040) for profit/loss, LLCs might use Schedule C or partner/corp forms (1065, 1120/1120S); corporations use separate forms (1120/1120S).
Depends on your structure: sole proprietors use Schedule C (Form 1040) for profit/loss, LLCs might use Schedule C or partner/corp forms (1065, 1120/1120S); corporations use separate forms (1120/1120S).