Unless all the items have been packed, you should help pack the last few things. You should also label your boxes if you haven't already done so. Create your account and connect with a world of communities. Stay busy (and out of the way) when moving companies are working.
The customer has a crucial role to play in helping everything go well, long before the day of the move. When a customer knows how to help make their move a success, moving companies love it. Take a tour of the moving companies as soon as they arrive. This helps them familiarize themselves with the space and also gives you the opportunity to point out objects that you think may be difficult to move or those that are especially fragile.
Whether or not you're informally “expected” to help with the moves depends on a few things, such as the size of your move and the number of helpers you've hired, so let's dive in and break it down.