Bests & Worsts Reviews from Amazon

I know a lot of people question how much the electricity will cost. As a point of reference, I have 12 cats. Each one has his own heating pad in his bed or under a blanket...they are on 24/7 all winter long. I also have 3 K&H houses outside plugged in 24/7, as well as 4 heated beds. ALL are plugged in 24/7...I never shut them off. My electric bill last month went up 3 dollars. I love these things...I can keep my heat down and know the kitties are still comfy.