If a household member is managing the property twenty (20) hours or more per week, the rental income minus rental costs is earned income. If a household member is managing the property less than twenty (20) hours per week, the rental income minus rental costs is unearned income. Rental costs do not include the principal portion of the mortgage payment, depreciation or depletion, capital payments, and personal expenses not related to the rental income.
Idaho Admin. Code r. 16.03.08.232