I don't know if it's life changing or not, but seeing as you listed a rice cooker... We have a Zojirushi water pot/boiler that I pretty much can't live without

I don't know if it's life changing or not, but seeing as you listed a rice cooker... We have a Zojirushi water pot/boiler that I pretty much can't live without today. Also, a portable (battery powered) bidet.