It's a great idea and I have about one cubic meter of permanently composting material every year, but I don't shower in the garden and can't think of economical

It's a great idea and I have about one cubic meter of permanently composting material every year, but I don't shower in the garden and can't think of economically feasable use cases for myself. So I guess it's still just pumpkins in october and humus for the garden in spring.