Petsafe.net typically allows only one discount code to be applied per order. This means that customers cannot combine multiple codes for a single purchase. It is advisable to carefully read the terms and conditions associated with any discount code, as there may be specific restrictions or expiration dates to keep in mind. If you have received different codes, it might be useful to determine which one offers the best savings for your intended purchase. To maximize savings, customers can also look out for seasonal sales or promotions that Petsafe.net may offer. For the most accurate and updated information regarding discount codes, checking the current website may be beneficial. This approach can help ensure you have the latest details on discount offerings and terms.