Hopefully this applys to you or points you in the right direction: I'm using Firefox and had an add-on named 'Honey' it's supposed to have coupon codes and when you go to a merchant's site - it would attempt to apply what ever coupon codes it has to that purchase (can't say I recall a successful coupon being applied) as soon as I uninstalled 'Honey' it started working again. I also use eBates (https://www.ebates.com/rf.do?referrerid=HUIgb1IHD5kzMpdtGFhxxw%3D%3D&eeid=29041) which DOES work at accumulating savings off of purchases and then send you a check. Not sure if there may have been a conflict or if it was all Honey's fault - so you may want to try and eliminate any addons. I'm happy again! - Best of luck!
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