In what way is gaining or losing the spread "random"? Buyers pay the offer, sellers the ask. If you want to save the spread you can leave a resting order and w

In what way is gaining or losing the spread "random"? Buyers pay the offer, sellers the ask. If you want to save the spread you can leave a resting order and wait for someone to take you out but you have no guarantee of a fill (or at least a timely one).