The 3 packs of scrubs are usually around $2 when halfprice at the Coles/Woolies. It is currently temporarily out of stock, so it may take a while to be delivered.
Sabco bulldozer heavy duty scrub brush at Bunning Watergardens. Was $8. Now $1.50 Not online. In store only. Unsure if clearance items are priced the same nation wide.