For clarity, I don't consider anything mentioned even practically feasible or relevant. I mentally tripped over by forgetting that if stock costs 500 + [0,10]

For clarity, I don't consider anything mentioned even practically feasible or relevant. I mentally tripped over by forgetting that if stock costs 500 + [0,10] (where it fluctuates) normally, you must in order to participate even without any fees pay 500 + [0,10] and not just the [0,10].