Or better yet, sell tickets at a discount that can then be re-sold when the system is complete. Someone could buy $1M of reduced price tickets and then resell

Or better yet, sell tickets at a discount that can then be re-sold when the system is complete. Someone could buy $1M of reduced price tickets and then resell them for $2M when the system is ready. This way wealthy individuals wouldn't hit a maximum investable amount based on their personal expected use of the system.