I still haven’t bought the kids’ costumes and today Mr. Pikko reminded me I could still buy online, so I went looking around for deals and such and found these. Hope this helps your own shopping! I ordered from Oriental Trading Company for work recently and their shipping prices are a bit rough, so the sooner you order from them the better as the express option is way worse.
Hawaii-Only
$13 for Two Admission Tickets to the 2012 Haunted Stadium from Hot Deals Hawaii
Costumes
Get up to 50% off select Halloween items from Hot Topic! Shop for your costume now!
10% off Sitewide plus free candy from SuperHeroStuff.com using code CROW10
Spend $50, Get Free Shipping on Halloween Costumes at Target.com (Expires 10/27/12)
Party Supplies
Save Up to 50% Off on Party Supplies from Oriental Trading Company
Kitchen & Decor
Free Shipping on Halloween sweets, treats, and decorations from Williams-Sonoma with code SHIP4FREE! (Expires 10/31/12)
Instant Savings on Halloween & Fall Decor at Sam’s Club (Expires 10/31/12)