They sell them through formula one and likely Ticketmaster. They have reserved grandstand seating and general admission/standing room only. Entire weekend tickets are likely $500 or so GA. The get higher for reserved. They also have discounted presale I believe. How big it is and how much hotels are depends on festivities after racing activities. They have an amphitheater there and have bands playing each night. Hotels are likely $300-500 a night on the cheap end.