May be targeted / YMMV
I received an email from buydig with a coupon $20 OFF your next purchase of $30 or more.
Check your emails for the Subject line --- $20 Coupon Offer, Monitors | Laptops | Tablets | TVs and More, Just for YOU!
---with Promo Code from BUYDIG.
I didn't see any exclusions but below is the fine print:
APPLY THIS PROMOTION CODE AT CHECKOUT
Minimum order $30, Coupon expires 06/30/18
(Offer can not be combined with any other coupon).