Neon Mart via Amazon offers the Lighting Ever Dimmable PAR38 100-watt Equivalent E26 LED Bulb 4-Pack in Daylight White for $35.99. Coupon code "9lelight" cuts that to $25.99. With free shipping, that's the best price we could find by $17. Each 15-watt bulb replaces a 100-watt halogen bulb and features a 40° beam angle and 50,000-hour lifespan.