There is no cost for 'Open Roosendaal Castle' as it is a non-existent attraction.
The cost of visiting 'Open Roosendaal Castle' is zero, simply because such a place does not exist. Admission fees only apply to actual, operational attractions. Therefore, no expenses would be incurred for tickets, parking, or souvenir purchases related to this non-existent castle. Travelers should be cautious about information regarding attractions that cannot be verified through official tourism boards or credible historical resources.