Just filter your tap water. Then you can drink it from glass containers instead of plastic. I spent about $100/year on filters for my RO unit and it delivers bottled water quality drinking water at home.
Yea, we've got one. But when I lived in an apartment I wasn't allowed to install something like that, i'm gonna guess that most people aren't in a situation where they can use one.
I don't think there pitcher options that are as effective for fluoride or heavy-metals, but I don't actually know off hand