Save a few seconds by putting something into the Trash and having it automatically delete, without you having to choose "Empty Trash..."
Save two seconds by skipping the Empty Trash dialog box. Be sure you really want to empty it because they're not going to ask if you're sure.
if you want to take something out of the Trash and put it back where it came from, you can do it in one step. Look for "Put Back" in the Finder's File menu.