Clever use of a moving dolly. If you're into gardening, I think it would be easy to adapt this design to make a tumbling barrel composter. You you could make your own compost.
Probably just have to use your imagination. I post these things ONLY for my kids and grandkids to keep up with my shenanigans. I'm not much of a RU-vid "creator" aside from being autistic and inherently "creatuve". Sorry