Sometimes it's the simple things we tend to overlook. We miss changing one step in our daily routine or delegating a task that may save us hours over the course of a week or month.
My weakness lately has been managing email.
Outlook 2011 for Mac:
The email rule above will look at any message marked 'Unread' in the 'Deleted' folder and will permanently delete them. This is awesome sauce for my peace of mind.
Outlook 2010 for Windows:
At this point I haven't been able to find a way to do this via the mail rules built into Outlook, without resorting to a VB macro.