We found a pack of 16 Expo dry-erase markers (8 black, 8 assorted colors) for $9.97 at Walmart. That's less than $0.65 per marker. Typically, a pack this size retails for around $18.
No promo codes are needed to get this deal. Be sure to check out all of our Walmart deals, and browse our back-to-school bargains from a variety of stores.