Here are the T&C:
30% Off online only discount applies to home delivery and Click & Collect orders only. The offer excludes gift card purchases, cat litter, all Prescription Diet, Glow pet food, multi-buy offers, chicken feed, equine products, 2018 Range Apparel and 2018 Range Bedding, AFL NRL and State of Origin Apparel and all services including PETstock VET and donations to PETstock Assist. Applies to RRP only. Not in conjunction with any other discount or offer. On Sale: Sunday 24th June 9:00pm AEST to Tuesday 26th June 11:59pm AEST. *Premium food Brand Cash is only earned on participating brands. Only available on selected Prime 100 food products. Excludes Veterinary Diets & Vets All Natural raw food. Premium food Brand Cash expires three months after the month in which it was earned. Flea, tick and worming Brand Cash expires three months after the month in which it was earned for three packs, or six months after the month in which it was earned for six packs. The purchase of two six packs as part of a specific promotion will activate a 12 month Brand Cash expiry period
for the product;
Advocate - Flea and Worm Treatment for Cats 4kg+ (6 injectors)
you can pay $69.99 and go pick it up (Click n Collect from PETstock
or do what I just did and get it from eBay delivered for $48.83
https://www.ebay.com.au/itm/282355205439?var=581473157911
:)