Every week the Coupon Mom team updates the Advertised Deals lists for 36 grocery stores. Coupon Mom members can view those lists on the day prices change in the Grocery Deals by State section of CouponMom.com. Membership is free.
However, if you happen to notice unadvertised deals at your store as you shop, please let other members know about them in your store's section on this forum. Hopefully, you'll be able to take advantage of other members' tips at different stores in your city.