Asda online send any old rubbish

3rd occasion to order on line and third time there is a problem.
Nearest store is Colchester
We visited the store Saturday afternoon only to pick up fresh food,ONLY to notice staff taking products of shelves scanning if it worked then throwing into a AsDA plastic bag ?
We made Our order of dry heavy goods order on Thursday
For sat delivery with NO substitutions
Arrived on time ,good helpful driver Weather poor snow!cold and at night
But when we checked our order Pepsi max 4 cases (30 cans in a case) which is SUGAR FREE
We received standard Pepsi CONTAINS SUGAR . NOT-LISTED AS SUBSTITUTE
ROOT BEER REPLACED WITH GINGER BEER
ALL SWEETS SUBSTITUTED
32 PACKS OF CHINEESE NOODLES 16 PACKS WRONG ITEM
SOME ITEMS NEVER even MADE IT TO THE HOUSE ?
LIST GOES ON .
SATURDAY ABOUT 8 pm
WE RING ASDA TO ADDRESS PROBLEM OFFERED £21 iIN REFUND ?
4 PACKS OF PEPSI COST MORE THAN THAT!
FINALY AFTER OVER 1/2 HOUR OF CONVERSATION AGREED REFUND OF £41
E MAIL WOULD BE SENT TO CONFIRM REFUND ,
EMAIL RECIEVED
BUT LISTS TOTALLY DIFFERENT PRODUCTS AND A REFUND OF £21
HAD TO RING TONIGHT (Sunday)AND WAIT AGAIN FOR ANOTHER HALF HOUR +

HOPEFULLY WE WILL GET IT SORTED
SHAME ASDA CAN'tT UNDERSTAND
WE DONT WANT ANY OLD RUBBISH SENT OUT
AND A RUBBISH AFTER SALES SUPPORT TEAM
MANAGEMENT OF COLCHESTER STORE SHOULD BE SENT FOR RETRAINING AND PUT BACK ON THE FLOOR IN WITH THE I CANT BE BOTHERED.
MANAGEMENT TEAM ARE NOT ON THE BALL
POOR WORK ETHIC COMES FROM THE TOP DOWN
ITS LIKE A 24/7 TACKY EPISODE, OF TROLLIED
POOR SERVICE = NO MORE CUSTOM
NO SURPRISE CUSTOMERS ARE TURNING THEIR BACKS ON THE BIG FOUR SUPERMARKETS
ANY BETS ON WHICH SUPERMARKET CHAIN WILL BE IN FIRING LINE NEXT