If your Best Buy reward certificate is not working, it is likely due to an account mismatch, item restrictions (such as gift cards), or technical issues during checkout . Quick Troubleshooting Steps

: Once a certificate is generated, it usually expires within 60 days . Expired certificates generally cannot be replaced, though customer service may occasionally reissue standard (non-promotional) ones if they expired very recently.

“If you click the chat button it will connect you to a sales agent that can ring up your items and apply your certificate for you then send you a link to finish the purchase.” Reddit · r/Bestbuy · 5 years ago

: Use the Chat Now feature on the Best Buy Support page. Agents can often create a transaction for you and manually apply the certificate. Community Experiences

: If you have enough points but no certificate, check if your account is set to Point Banking . In this mode, points sit in your "bank" until you manually issue a certificate. Contacting Support

: Visit a local Best Buy store. Associates can look up all profiles linked to your info and apply certificates directly at the register.