Here you simply need to put together an Asda apg 'shop' which includes 2 x Walkers crisps 20 packs, both Meaty and Variety will work.
The Asda price will compare to Morrisons and give you 10% back plus the difference.
Which means you get them for £3.60 a pack.
9p a packet of crisps, that's what we crispaholics wait for.
You need minimum 8 items to make an apg purchase, popular items include 10p sweets, single tomatoes, sprouts, grapes, carrots, small ginger pieces, potatoes - or the UHT milk usually compares like for like as do the £1 4 pint fresh milks.