Neon Mart via Amazon offers the LE 45-watt Equivalent BR20 Dimmable Light Bulb 6-Pack
for $18.69. Coupon code "LELIGHT4" cuts it to $13.19
. Plus, Prime members receive free shipping
. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $6.99.) That's $2.20 per bulb and $23 under the lowest price we could find for a similar 6-pack sold elsewhere. Each bulb consumes only 8 watts of energy.