Received an email offering 40% off online orders. Shipping is not included in the discount.
EDIT: Thanks to nightelves - Don't Forget Cashrewards
Here are the Terms and Conditions.
Offer only valid for online purchases at www.petbarn.com.au. Offer not valid for instore purchases. Offers not valid on Vet Prescription Diets, Services, Royal Canin Dog & Cat food, Trouble & Trix, Animates & Catsan crystal cat litters. 40% off your next online purchase offer only valid with discount code VM1618. Not to be used in conjunction with any other offer. Discount code does not apply to promotional items. 40% off your next online purchase expires on Wednesday 18th October 2017 at 11:59PM AEST. Discount does not apply to shipping costs. Limit to one use per customer. Maximum cart amount to which this discount applies is $500. Retail sale and quantities only. While stocks last. Illustrations, photos and packaging are only a representation of the products advertised. Regular and sale prices, offers and selection on www.petbarn.com.au may vary from those of Petbarn stores and of Petbarn local advertisements. Prices and offers are subject to change. Online orders can only be dispatched to valid street addresses in Australia, currently Petbarn is unable to deliver to PO boxes or Parcel Lockers.
Edit 1140am: Code appears to still work at this time, however you must be logged in.
hoping for a site wide sale + code stack before it expires!