While this may seem like just another thing that’s added to your plate, get copies made of all of the keys prior to you move. In all of the chaos of the move it would be easy to misplace a key, and that is the last thing you want to deal with on your moving day.
One of the first things things you should do before contacting a moving company is to get a an idea of how much you have to move.
While it is not required by law in some states, be sure to do an in person go-over with your landlord prior to moving out. This way you can address any issues on the spot.