Re-useable stuff: we have these silicon containers as a substitute for sandwich bags, they are ridiculously expensive. Cloth diapers vs disposable. Places where

Re-useable stuff: we have these silicon containers as a substitute for sandwich bags, they are ridiculously expensive. Cloth diapers vs disposable. Places where there is kind of an inversion, and the re-useable version, which at some point would have been used by those too poor to get something disposable (like diapers) is now a luxury item.