For many families, the end of summer means it’s time to put away the inflatable kiddie pools, camping equipment and gardening tools for the season.

If you plan to shove this gear into arbitrary piles around the edge of the garage, you’re not alone: Many Americans say the garage is the most disorganized room in their home, according to the International Association of Business Organizing.

But a messy garage is not just unsightly, it can cost you money. People with cluttered garages tend to waste time searching for misplaced items and end up re-buying things they already own, says Erica Ecker, a professional organizer in New York City.