Prices on the shelf often differ from the prices scanned at the cashier.
You have to check your receipt for mistakes to avoid overpaying.
Items at Morton Williams are often double scanned, so watch closely.
I have been using it now for 3 months and it saves me so much research. Reduces the need to call and double check every time.
How did I not know these places existed?! Atly's scoring is a lifesaver, now I can finally find THE spot without wasting time Googling my life away.