Monday, August 8 at 11 PM on CBS4 – The number of people using coupons has reached an all time high. And now a growing number of people are buying and selling coupons online. It sound strange — “Paying to Save” — but buyers say it’s worth spending a little bit of money for coupons, to save even more in the check-out line. Al Sunshine reports. Encores Sunday, 8-14 at 11 PM.