The good news is, you might be able to claim any expenses which you incur in generating your incentive income are deductible.
Here are some examples of what you may be looking to deduct:
Costs of travelling to and from research sessions and between jobs including:
Parking
Fuel
Public Transport
Any other expenses see Deductions you can claim
In order to claim a deduction, you must be able to prove that you spent the money and that the purchase relates to your costs in attending or performing the research session or task.