Our original ones were "clearance" from our days of both working at Sears.

Our 2nd set came from a local mom and pop "home store"
Our current set came when Carson's closed their doors got what we thought was a good deal because my mother in law worked there 30+ years and we were able to get her employees discount. It was great for about 7-8 months then it started to suck, my back kills me if I sleep in there. It didn't at first.