I'm thinking about buying Hazel, but I don't think it can duplicate my manual filing.
My system is to order my downloads directory by recent, and then only keep stuff that I've accessed THREE TIMES or MORE.
The thing is, I don't think anything records how many times a file has been accessed, so I have to do it from memory.
I'm not even sure if MacOS tracks this, so Hazel would have to monitor the DATES accessed and see when they change.