Originally Posted by UselessBettor

Once premium charge comes in its a little different. The commission on a race to race basis no longer matters as its 20%-60% of your gross profit. It took me a while to get my head around it but before you pay premium charge basically on a race to race basis the commission you pay is important. It can turn a winning system into a losing system. But once you have to pay premium charge its no longer a concern. You are paying 20% regardless. So just take 20% commission on total profit and that is all you need to care about.