In case you are finding it hard to get some of these sauces, Catch of the day (au) have them up atm.
Some Open Pit sauces I picked up for .50c from reject shop recently so by now probably all gone.
Some of these sauces are a bit cheaper at Cheap as Chips but if you find it hard to get them this might be an opportunity.
http://www.catchoftheday.com.au/event/26646