idk, cardboard

I mean, if you do it yourself and like reuse it for something else or make other paper or whatever out of it, sure.

This. Aluminium recycling is real. Copper and steel too, though the outcome is an inferior product. Glass can be economic where energy is cheap, but its a net negative for the environment, better to bury it and make more. Everything else is a fiat-subsidised grift. Especially mixed plastics.