Costco.com is a highly legitimate, safe, and established retail website operated by a major Fortune 500 company. While shoppers generally enjoy its high-quality products and generous return policy, some users report inconsistent experiences with online customer service and delivery. You can shop there with confidence, but be aware of the membership requirement and known reports regarding privacy and online support efficiency.
Video reviews
Pros
- Highly established, legitimate multinational corporation
- Industry-leading, flexible return policy
- Competitive pricing and high-quality private label (Kirkland Signature) goods
- Safe, secure website infrastructure
Cons
- Requires a paid membership to shop
- Online customer service can be difficult to reach and inconsistent
- Limited inventory compared to larger general marketplaces like Amazon
- Specific reports of shipping issues and poor installation experiences for large appliances
⚠ Red flags
- Some users report difficulty reaching customer service and resolving online order issues
- Lawsuits in 2025 regarding web-tracking pixels on pharmacy pages and potential health data privacy concerns
Safety signals
Facts
Better options
Why switch: Similar membership-based wholesale club model with comparable bulk savings and in-store/online shopping options.
Provides a wider selection of products and different membership benefits (Prime) if you are looking for non-bulk items or faster delivery options.
Based on 8 sources
Costco Review 2026: Legit & Safe? Trust Score 89/100Costco.com Review: Feedback, Reputation, and Risk SignalsIs costco.com Legit? 100/100 Trust Score | ScamMinderCostco - Comprehensive Trust Assessment | ReviewService Review PlatformCostco Online Reviews | Read Customer Service Reviews of customerservice.costco.comCostco Wholesale | BBB Business Profile | Better Business BureauCostco | BBB Business Profile | Better Business BureauMember Privileges and Conditions | CostcoBuyer reports
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