Costco is a legitimate, highly established, and safe retail warehouse club. While it is a trustworthy place to shop, most user complaints stem from their online customer service, shipping difficulties, and navigation of the website. The company is widely valued for its competitive bulk pricing, high-quality private-label goods, and industry-leading return policy.
Video reviews
Pros
- Industry-best, flexible return policy on most items
- Widely recognized, established Fortune 500 company
- Competitive pricing on bulk goods and fuel
- Membership fee is fully refundable if dissatisfied
- High-quality private label products (Kirkland Signature)
Cons
- Requires a paid annual membership to shop
- Bulky packaging is not ideal for small households
- Online customer service can be difficult to reach and unhelpful for some users
- Strict 90-day return policy for electronics and major appliances
- Occasional reports of delivery issues and order errors with online purchases
⚠ Red flags
- Significant volume of negative feedback specifically regarding online customer service responsiveness
- Reports of occasional order fulfillment issues or delivery frustrations when shopping online
- 2025 lawsuits regarding web-tracking on pharmacy pages affecting user privacy
Safety signals
Third-party ratings
Facts
Better options
Why switch: If you are not looking for bulk items or want to avoid membership fees, other large retailers offer different warehouse or standard shopping experiences.
Provides a broader online selection for non-bulk items without the need for a warehouse membership.
Based on 8 sources
costco.ca Reviews | check if the site is a scam or legit | ScamadviserCostco Review 2026: Legit & Safe? Trust Score 89/100Costco’s return policy explained: What you can and can’t return, plus the unwritten rulesCostco - Comprehensive Trust Assessment | ReviewService Review PlatformCostco Wholesale Reviews | Read Customer Service Reviews of www.costco.comCostco Online Reviews | Read Customer Service Reviews of customerservice.costco.comCostco Online Reviews | Read Customer Service Reviews of customerservice.costco.comCostco Wholesale | BBB Business Profile | Better Business BureauBuyer reports
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