PetSmart is the world's largest pet supply and services retailer, providing over 10,000 products for various pets, including dogs, cats, birds, fish, and small animals. Customers appreciate the friendly staff and the quick service, with one shopper sharing their positive experience of finding fish water treatment and being helped promptly. Many reviews highlight the effectiveness of dog training classes, particularly praising a trainer for her kindness and talent. While most customers enjoy the variety of pet food available and the discounts offered, some have noted rising prices as a concern. The store also offers convenient online shopping with local pickup options and various services like grooming and training. Overall, PetSmart is recommended for its helpful staff and wide selection of pet products.