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Whether you are moving into a new house or reorganizing an existing closet, you need to take everything out of it to assess it as a space. Removing all the items from the closet will help you pare down some of the possessions that you have.  Be sure to vacuum or sweep the floor of the closet once it is empty. This will make sure your closet is in its best possible state before your reorganize it. If you are having trouble organizing your closet, there is a good chance you have too many possessions. Research shows that modern consumers are driven by the desire to own new things, but buying new items does not necessarily satisfy our desire for more possessions.  The consumer goods industry is the largest in the United States, where it generates more than $419 billion every year. The vast majority of this money is spent on non-essential goods that fill our closets. One very popular and highly successful method for organizing is the method designed by Marie Kondo, a professional organizer from Japan. Her method is very simple and easy to follow.  After you have laid out all of your clothes from your closet in a pile on your floor, sit down and touch each item on the floor. As you touch the item, ask yourself "Does this spark joy in me?" Does the item make you happy? Or does it make you feel guilty for not having lost those ten pounds? Does it remind you of a stressful time in your life? If it doesn't spark joy in you, then prepare to donate or discard the item.  After you have gone through your clothes, then apply the same method to your shoes, bedding, cosmetics, and any other items that might be in your closet. If you share a closet with someone else, ask that person to also go through their items and discard any items that do not bring any joy. This may take a few days to get through if you have a very large closet. You might plan to do this over the course of a long weekend or if you have an extended break, like the time between Christmas Day and New Year's Eve. If your clothing, shoes, and jewelry are still in good condition, consider donating them to a local organization like Goodwill or the Salvation Army. You can also look into donating at a homeless shelter or a shelter for survivors of domestic violence. You can read more about this method in Kondo's book The Life-Changing Magic of Tidying-Up. (Ten Speed Press, 2014). With fewer possessions, you probably won't need as many boxes or shelves to hold all of your things. Put all of your remaining clothes back on their hangars and see how much space they take up in your closet.
Take everything out of the closet. Apply the KonMari method of organizing to your closet. Reassess your storage needs.