Walmart Customer Service/ CASHIER Review

SOME OF THE CASHIERS ARE LAZY .I WAS IN THE STORE BUYING SOME FOOD TO HOLD MY FAMILY OVER TOO NEXT PAYDAY...CHICKEN  THIGHS ,KOOL AID,BREAD   AND SO ON....I WROTE A CHECK....GAVE IT TO THE CASHIER...SHE HAD I DO NOT CARE  MOOD ABOUT HER...NOT REALLY WANTING TO BE THERE  AND  TRAINING  NEW CASHIER...THE CASHIER  STARTED RUNNING MY CHECK...BUT CANCELLED THE TRANSMISSION..WITH ELEC.CHECK...I ASK HER WHAT HAPPEN ....NO RESPONSE...JUST HAND ME A LITTLE PAPER  THAT SAID CASHIER CANCELLED CHECK....SO I WAS A CREDIT CARD ....THE SERVICE  WITH THIS CASHIER WAS BAD...I VISITED THE STORE 4/28/09 THEY HAD HER AS A GREETER..HAD TO RESPOND FIRST.WHAT IS GOING ON WITH THE SERVICE ....WALMART.