One simple step to be more efficient -- and save money -- is to swap all your all your traditional incandescent light bulbs for compact fluorescent lights (CFLs) or light-emitting diodes (LEDs). The cost of CFLs has come down quite a bit in recent years (now about $5 a pop), making them an affordable choice. On the other hand, LEDs are quite pricey, at roughly $40 per bulb. For this reason, LEDs may not be a viable option at the moment.
How to Save Money with CFLs
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