Rescue Box Sale: $15 Off RescueBox Subscriptions! Posted by Hello Subscription on March 12, 2018. Subscription Box Coupons & Deals / Rescue Box Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification This week use coupon code GIFTOF15 to save $15 off 3+ month subscriptions to RescueBox! Visit Rescue Box to get this deal!