Dickson v. The Queen, 2011 DTC 1123 [at at 681], 2011 TCC 153 (Informal Procedure) -- summary under Business Source/Reasonable Expectation of Profit

The taxpayer did not have a reasonable expectation of profit in various business activities. She did not invest enough time in her flight instruction business to even cover the costs of maintaining her pilot certification. Her revenue as a church organist did not cover her transportation expenses. Her biography on an early Canadian female aviator was more in the nature of a project undertaken for personal interest, given that the book had already taken her four years, she had yet to complete a first draft, and there was no reasonable prospect of readership large enough to turn a profit.