OK Grocer not Ok to shop at

Ok Grocer in Eldorado Park has the worst service.Including management .I bought Max Colgate toothpaste and on the shelves it showed the pricing but once I got to the till it was s a totally different price.Th cashier was kind wnought o call her manager who's name was Rejoice he fkatlybrwfused and said he won't give the toothpaste for the price I saw.When I argues he kept saying he does not cafe bit I will not pay the price I've seen on the shelves