groceries again

So, we spent about 760 euros on groceries last month even though we never went shopping without our "list". But we always inadvertently saw stuff we wanted but was not on the list and cave in at the last second. Our rationale is if its not on the list this time, for sure it will be on the next list! So we might as well just get it now.
Anyway, after whining to my MIL the price of goods these days (and as I've mentioned we don't even buy a lot of meat, except during our last trip where we bought sausages and spare ribs), she told us that we should be shopping at Carrefour or Leader Price or Champion as LeClerc is not known to be cheap (equivalent to Cold Storage vs Carrefour in KL).
What would be 80 cents in Carrefour, in LeClerc, it could cost double. So we will go try another shopping place next week and see how we fare.