So far in 2011 here are my totals and savings.
Total before coupons - $193.07
Paid out of my pocket - $ 59.16
Savings - $133.91 (69.36%)
Total before coupons - $79.41
Paid out of my pocket - $25.72
Savings - $53.69 (67.61%)
I am spending maybe an hour or two a week doing this.