Winc Prime Promo: Get $23 Off Your First Box! Posted by Hello Subscription on July 16, 2018. Subscription Box Coupons & Deals / Winc Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification WINC has a prime sale! Get $23 off your first box. Just use this link to subscribe! Valid for the next 24 hours only! Are you getting Winc?