Notoc via Amazon offers its Notoc 4-watt (40-watt Equivalent) Retro-Style Edison LED Light Bulb 3-Pack in Warm White for $13.99. Coupon code "BYVXCG7T" cuts that to $6.99. Plus, Prime members receive free shipping. That's a buck under our January mention, $7 off list, and the best price we could find. They feature a 30,000-hour lifespan. Deal ends March 14.