can you do my shopping while you are there?

sure what you want hehe

a whole weeks worth of food for a family of 4 would be a good start

wonders what / where / who is waitrose?

posh supermarket hehe

we only have boring names for our supermarkets over here

you have like Big W?

yeah, BigW is like a variety store. Supermarkets have names like Coles and Safeway..