Petco offers a variety of products and services for pets, with helpful staff members like Dony, the groomer, who is praised for her polite and patient service. Customers appreciate the knowledgeable support staff, especially when seeking advice for their pets. However, some customers have noted a lack of specific items, such as duck food, and experienced mixed feelings about the customer service from one employee. Overall, Petco is seen as a reliable place for pet needs, with many customers expressing a desire to return.