I did this too, but I only needed a trash bag like once a week, and inevitably ended up with more than that, before I got diligent about reusable bags. Even if

I did this too, but I only needed a trash bag like once a week, and inevitably ended up with more than that, before I got diligent about reusable bags. Even if everyone did it, there's no way every bag would be accounted for.