Price matching 1/2 price $4.25 Woolworths special + a further 10% off with subscribe & save on Amazon.
There are some others available at 1/2 price, but no additional 10% off with subscribe & save:
Smith's Crinkle Cut Original Party Size Potato Chips 380g $4.25
Doritos Cheese Supreme 380g $4.25
I hope Costco get the large snackachangi bulk pack back in. 500g ? for @$10