I'm on Bonner Ave in Medford; we've had a couple of packages go missing, including one with uninteresting contents that a hoodlum left on a neighbor's steps a few doors down. Now we always use the 2nd line of the address to say "LEAVE PACKAGE AT BACK DOOR" (in caps, italics, and bold, if possible!). It works 99% of the time. The times that it doesn't work is when UPS has a more-braindead-than-usual driver.

And then there was the time where UPS delivered a mis-addressed package to a non-existent house…