Petco offers in-person and online dog training classes, including puppy and adult curriculum, using reward-based positive training to strengthen a dog's overall well-being. The store provides services like nail trims. Staff members are frequently described as sweet, awesome, courteous, friendly, helpful, knowledgeable, and informative, making customers feel valued and welcome. They offer effective product suggestions and help customers find what they need, sometimes on sale. However, the store can face challenges with inventory consistency, including frequent disorganization and low stock. Overall, many customers report a great experience.