Attempting to claim "Fido" as a dependent is popular amongst clients with pets. One CPA reported a woman tried to claim her unborn child as a dependent.
While some professions may require a certain appearance, the cost of haircuts, plastic surgery, massages and salon expenses are generally not deductible.
Deductions on a home office are limited to the portion of the home dedicated to the business. Clients have attempted to do more though, from the cost of groceries to the mortgage.