Are you getting a , or is the page just failing to load ?
If you're still stuck, you can try the official Online Checkout Troubleshooting page or check Downdetector to see if there's a widespread outage.
: When the online system fails, some customers have had success by calling and selecting "virtual sales" to have an agent manually apply discounts and send an invoice. Community Tips & Workarounds
Shoppers on forums like Reddit and Best Buy's own Q&A have shared these practical workarounds:
“2025 same problem- it doesn't send the code to my email or mobil at checkout to varify.” Best Buy · 10 years ago
Shoppers often vent about the frustration of having an item "secured" in a cart only to lose it at the final step.