Unlike boatyball FCFS balls are available for free day use if you don’t overnight. Cooper tends to be busy on the weekends with the boats heading out on charter starts. June has a bit of a mini hi season with kids getting out of school. A tip for getting a BB at Cooper is to walk up to the Moorings reception area and use the wifi there. It’s faster than the boat wifi. Have everything filled out and be logged in. Don’t go for the obvious very best ball. If you don’t get a ball log back in at 7:04 and see if anything pops up. Some have multiple crew members attempt to get a ball. If they get two one will show back up as available at 7:04 or 05 if not paid for.