Promo codes can fail for several reasons:
- Expiration Date: Ensure the code hasn't expired.
- Usage Limits: Some codes have limits on the number of times they can be used.
- Exclusions: Certain items or categories might be excluded.
- Case Sensitivity: Codes are often case-sensitive. Double-check for any typos.
- Minimum Purchase Requirements: Some codes require a minimum purchase amount.
- Browser Issues: Try using a different browser or clearing cookies and cache.
- Geographical Restrictions: Some codes are only valid in specific regions.
If none of these apply, contact customer service for assistance.