Dollar Tree Email Signup Contest – Win a 25.00 Gift Card December 17, 2012 by Queen Mum Leave a Comment Right now when you sign up for Dollar Tree emails you’ll be entered to win a $25 gift card. Ten winners will be picked each week for the next two weeks. You can enter once per week and the contest is only open to new sign ups. Contest ends 12-29-12. CLICK this link to enter.