So I went to the Target in Port Washington and they had the grape juice and a few of the soups all ringing up as clearance on the app.
After browsing a few more aisles for about fifteen minutes I got to the register and they rang up as full price and the app was also showing full price.
The store manager honored the clearance price on the grape juice (19 bottles at 89c) so my son is now set for kiddush until Shavuous
