If your friends are assisting you to you move then be sure to get them some drinks.
While this may seem like just another thing that’s added to your plate, make copies of all of the keys before you move. In all of the chaos of the move it would be easy to lose a key, and that is the last thing you want to deal with on your moving day.
You will need to set up a forwarding address for your mail so that your mail go to your new home. You can do this on the USPS website.