No. A Schedule C is required if you are in a trade or business. However, you can report miscellaneous income on line 21 of Form 1040 (“other income”). This miscellaneous income is not subject to self-employment tax.
A statutory term describing the cost used to determine your profit or loss from a sale or exchange of property. It is generally your original cost, increased by capital improvements, and decreased by depreciation, depletion, and other capital write-offs.