FREE $2 ECB at CVS? This post may contain affiliate links. Please see the full disclosure policy here. Posted on June 8, 2010 Written by Mary 1 Comment One of Amy’s readers scanned her card and received a $2 ECB good for 3 days. Then, Amy tried and got it on BOTH of her cards too!! If you’re heading to CVS be sure to scan! Let me know if you get one too. thanks who said nothing in life is free?