While we can’t deny sinking into the water is comfy, most of us wouldn’t trade our old-fashioned mattress for one of these kitschy models. But people did buy them in droves, with waterbeds ...

Narrator: Remember waterbeds? You might not, but they were all the rage in the '70s and '80s, and they kind of developed a reputation as a mattress that was good for, you know, stuff other than ...

Wow. A new waterbed mattress is not cheap! How did a 16-year-old afford it? He replaced mattress twice before I stopped. He is, to this day the biggest tightwad on earth and watching him spend ...