Today only, B&H Photo Video offers the TP-Link 12-watt (72-watt equivalent) Dimmable WiFi LED Smart Bulb 2-Pack in Soft White for $26.99 with free shipping. That's $3 under our January mention and $23 under the lowest price we could find for two bulbs elsewhere. They have built-in WiFi, allowing you to remotely control the bulb's settings via the Kasa app. They also feature compatibility with Amazon Alexa or Google Assistant.
One grocery chain is likely to save you more money than any other.