Halloween costumes are an industry in themselves. The best kids Halloween costumes help kids jump into a world of make-believe and fun for a night — obviously fueled by Halloween candy. They sell out faster than you can say candy corn. In fact, kids generally start planning next year’s ensemble once they’re done trick-or-treating for the night. That’s why, if you’re a good parent, and you want to get the best Halloween costumes for kids, you have to start planning early and get your shopping strategy in place. Going to the Party City the night before Halloween just won’t cut it for some of these costumes, as most kids Halloween costumes are bought and sold well before the spookiest day of the year.