DealNews Black Friday has completed its coverage of the Petco Black Friday Ad. (If you prefer, you can view it on the Petco website.) The sale begins on Black Friday and lasts until November 24. Most notable is a pair of dog or cat antlers for free when you make any purchase in-store using your Pals Rewards card. (It's free to join.) Excited for Black Friday deals? Consider subscribing to the DealNews Select Newsletter to get a daily recap of all our deals; you never know when a Black Friday price will be released! You can also download the DealNews App, check out the latest Black Friday ads, or read more buying advice.