Got a Frankford Arsenal Quick-N-Easy case tumbler. Love it...has not failed and it gets them nice and clean. I can't hear it from outside reloading room. I don't stay in the room while tumbling because of particles that could be thrown into the air.
It can hold a LOT of cases.
My YouTube MOLON LABE
Training pays off
...so keep active with your firearm. It could save your life one day.