Best Buy offers the Insignia 60-watt LED Light Bulb in Warm White, model no. NS-LED60F, for $12.99 with free shipping. That's a $5 drop and the lowest price we could find for a comparable bulb by $12. This 800-lumen bulb is equivalent to a standard 60-watt bulb.
Update: It's now available for in-store pickup only.