We very rarely have discounts, sales or promotions. But, when we do, we keep them open to all rather than requiring a special code. We have used promo codes in the past, but have no active codes available at the moment. We also have no place to enter a code during our checkout process.
Some of our previous codes have popped up on user-submitted coupon sites. Sadly, we cannot honor expired promotions but we highly recommend signing up for email as the best way to stay up-to-date on any upcoming offers.