Stupid Roommates

Here's a simple one.  If there's mail, drop it in front of the person's door.  Not the kitchen table that's usually full of random stuff.  That way, oh, I don't know, bills will get paid on time.  Useful, no?  Honestly, it's just common sense and common courtesy.  And they can't say that they've never heard of the concept before.  Because I have done it for all of them (with one possible exception - but he's actually somewhat rational).