I do this as well. /tmp is for things I know for certain that I only need once. Things I'm fairly sure I'll need again go in the proper directory tree. For ever

I do this as well. /tmp is for things I know for certain that I only need once. Things I'm fairly sure I'll need again go in the proper directory tree. For everything else, I use ~/temp. That gets included in my backups, and I erase its contents after every backup.