Sale price available for My Best Buy members (free to join). Best Buy has the 3-Pack Philips Hue White & Color Ambiance A19 Bluetooth LED Smart Bulbs (562785) for $90 with free shipping.
Amazon with Online Stores LLC has the 4-pack Sylvania General Lighting SMART+ ZigBee Full Color Dimmable BR30 65-Watt Equivalent Smart LED Light Bulbs (75584) for $22 with free shipping.
Works with SmartThings, Wink and Amazon Echo Plus (hub required).
Amazon has the 3-Pack TP-LINK HS200 Kasa Smart WiFi Light Switch (HS200P3) for $55 – $10 off coupon (check “Apply coupon” box) = $45 with free shipping. No hub required; works with Alexa.