Top 10 Best-Selling Items You Should Shop at Costco
Discover Costco’s top-selling products, from affordable bacon and maple syrup to bulk batteries and pet supplies. These popular items offer quality and savings, making Costco a shopping destination for families and bulk buyers. Learn about the most in-demand products across various categories to streamline your shopping experience and enjoy exclusive savings with a Costco membership.

Top 10 Best-Selling Products to Purchase at Costco
Costco is renowned as one of the premier warehouse clubs, offering great value for families seeking affordable household essentials and more. Membership grants access to exclusive deals, coupons, and gift cards. Knowing the range of popular products available can help you maximize your shopping. Many items are part of Costco’s private label, Kirkland Signature, known for quality and affordability. Here’s a look at the most popular products and categories shoppers buy at Costco.
Auto and tire supplies
Child toys and baby products
Apparel, jewelry, and accessories
Electronics and tech gadgets
Home furniture
Household goods
Home renovation and tools
Food items and groceries
Floristry and plants
Personal care and beauty products
Gift cards and event tickets
Office supplies
Outdoor and patio furniture
Sports and fitness gear
Pet food and supplies
Funeral services
Special featured departments
Most-Popular Costco Products
Bacon:
A kitchen staple for many families, Kirkland Signature bacon is known for its flavor and affordability. Available in gluten-free options, it costs about $1.50 less per pound than other brands. If you enjoy bacon regularly, add it to your monthly Costco shopping list.
Maple syrup: This organic syrup is priced at just 56 cents per ounce, making it one of the most economical options for pure maple syrup.
Frozen pizza: Costco offers packs of 4 frozen pizzas at remarkably low prices for members.
Kirkland batteries: An excellent choice for bulk battery purchases, offering discounts that make them far cheaper than retail.
Nuts: Costco’s high-quality nuts are perfect snack options. You can buy 30 packs for just $20.
Medicines: Prescription and over-the-counter medicines are available at significant discounts, regardless of membership status.
Cooking spray: Costing only 15 cents per ounce, Costco’s cooking spray is much cheaper than elsewhere.
Half-sheet cake: This popular bakery item is priced at only $10, roughly half the cost of similar cakes at other stores.
Gasoline: Fuel prices at Costco are typically lower than competing brands.
Canned tuna: A pack of 16 Kirkland Signature canned tunas costs just $35, offering great value.
Baby formula: Kirkland Signature baby formula costs only 50 cents per ounce, helping you save on essentials.