Prev Quick Tips - Basketball Next Portable Basketball Systems Select clear, fairly level area. There are no leveling systems. Place sandbags on top for added stability. For freezing regions, place antifreeze in base. In-ground Systems Get your property inspected for underground lines. Only utility lines will be inspected. Sprinkler lines and electrical dog fences will not be inspected Choose two locations so you have a backup in place. NYC, Westchester, Rockland, Orange, Putnam, Southern Connecticut & Northern New Jersey Email Us Now Call Us Today M - F   8:00 AM - 5:00 PM EST