Our verdict
Costco earns a 6.7/10 (Fair) in our ecommerce stores testing, ranking #6 overall. It stands out most for bulk buying, making it a strong choice if that matches your priorities.
Key details
- Loyalty
- Membership
- Returns
- Generous
- Delivery
- 2-day groceries
Pros and cons
What we like
- Exceptional return policy
- Kirkland quality
- Member prices
What could be better
- Membership required
- Limited selection breadth
