Amazon has a ton of last-minute Halloween party decor, costume accessories, and more in stock for free same-day shipping on $35+ (Prime members only). For orders under $35 it's $2.99 for same-day shipping. Order by 5PM today to get it by midnight; order by midnight to get it by 11AM tomorrow. There's still time to chance it with regular Prime shipping, but cutting it close if you need it for this weekend!