Bad service Thohoyandou cash crusaders

Good day. Am in cash crusaders in Thohoyandou, i saw a heat gun priced R109 on the product when i went to pay on the till The cashier Name is Caroline and she said its not the right price. I told her the price you see its the you pay she refused and said not in cash crusaders. She was raising a voice and said i better leave the store you can refer to cctv cameras, Thank you