Plushible has a selection of Halloween costumes for kids, adults, and pets marked down as low as $5 + you can get an extra 5% off Sitewide using coupon MBB5OFF. Shipping is $4.99 or Free if you spend $35 or more. While you’re there, check out their “Everything for $5” section with over 200 games, toys, activity sets, decor, gifts and more!
When my kids were little, I kept all of their costumes in a Rubbermaid bin and they used them for playing dress-up. As they got older, that bin came in handy when they needed costumes for “movies” they’d make. So much fun!1