At Amazon, clip the on-page coupon to get this Sigalux EcoBright T20 A19 8W Dimmable LED Light Bulb 6-Pack for $10. It's the best price Amazon has charged for this multipack. Each 8W bulb replaces a 60W incandescent, puts out 750 lumens of warm white light, and is rated for up to 15,000 hours of use. Buy Now at Amazon

Tiny spaces like nightlights or decorative sconces call for a bulb that won't overpower the room, and this low-wattage candelabra option gives you just enough glow without the heat of an old incandescent. Buy Now at Amazon

These PAR20 bulbs work well for recessed cans or outdoor fixtures where you want a warm, soft white light instead of harsh white, and the 4-pack covers a whole room's worth of fixtures at once. At $16.15, that's $1.84 off the $17.99 list price. Buy Now at Amazon

These work well if you're replacing candelabra bulbs in chandeliers or sconces where dimming matters, and at $21.05 you're paying $3.94 less than the $24.99 list price for a 6-pack. Buy Now at Walmart

These bulbs put out 1,500 lumens each, bright enough for main living spaces or rooms where you want fewer fixtures working harder, and six come in the pack for $12.98, down $17.01 from the $29.99 list price at Walmart. Buy Now at Walmart

Update: The price has dropped to $8.72 since this was originally published.

Chandeliers and small fixtures with candelabra bases need this specific size, and the 2-pack means you've got a spare on hand before the first one even burns out. Buy Now at Amazon

Swapping in a 20-pack covers every brake light, turn signal, and backup light on your vehicle with spares left over, so it's a practical pickup for anyone tired of buying single replacement bulbs one at a time. These run brighter than standard incandescent bulbs too, which helps with visibility on the road. Buy Now at Walmart

Your fixtures that run often (kitchens, hallways, living rooms) are where these pay off fastest, since an 8-pack covers a whole-house swap in one go without hunting for matching bulbs later. At 14W, they're built to replace standard 100W incandescents while drawing a fraction of the power. Buy Now at Amazon

Update: The price has dropped to $9.60 since this was originally published.

These small-base bulbs fit chandeliers and ceiling fixtures that take candelabra-style sockets, and a 6-pack covers a whole fixture at once instead of buying single bulbs repeatedly. Right now it's $9.70, about $3.28 off the $12.98 list price. Buy Now at Amazon

Anyone replacing recessed or floodlight fixtures can swap these in without new housings, since the BR40 shape matches standard high-wattage incandescent bulbs while drawing a fraction of the power. Buy Now at Amazon

These CFL bulbs suit fixtures that stay on for long stretches, like hallways or porches, since you get 40W-equivalent brightness while drawing just 9 watts. At $20.70 for six bulbs, that's $3.29 off the $23.99 list price. Buy Now at Amazon

Boat and RV owners needing a quick fix for interior or courtesy lighting will get two 12V festoon bulbs in this pack, priced at $5.55, which is $4.43 off the $9.98 list price. Buy Now at Amazon

Swapping in this 9-watt bulb gets you the same brightness as a standard 60-watt incandescent while using a fraction of the energy, so it's an easy way to cut your electric bill without changing how your rooms look. Buy Now at Home Depot