CVS: Free $2 in ECB When You Pledge NOT to be an ECB Trasher (First 500,000) This post may contain affiliate links. Please see my full disclosure policy for details. September 28, 2011 28 Sep Pin0Share0TweetGoogle+0shares Head on over to CVS and make a pledge not to trash your ECBs and you can get one good for $2 off of your next purchase! This offer is available is limited to the first 500,000 who respond. Thanks, Couponing for 4!