ThinkGeek takes 75% off a selection of holiday ornaments, decorations, and apparel. (Prices are as marked.) Shipping adds $8.95, although orders of $35 or more bag free shipping. A couple of best bets:
Pokemon Winter Sweater for $8.75 ($26 off)
Rick and Morty "I Turned Myself Into a Sweater" Holiday Sweater for $12.50 (pictured, $37 off)
Use your debit card for one of these expenses, and you could risk your bank account balance, your credit score or even identity fraud.