I always use my debit card there and write in my total in my check book when I get home.
I am so suspicious of stores that I am verifying my reciept before I leave the store.Safeway is my problem child. I have to go to the customer service counter 1 out of 3 visits.
You have to be pretty lame to not notice a cash back on your reciept.
It does help if you spend under $100 there like I do. Easier to notice a discrepency.

Thanks for the heads up Kitty.

I will be even more cautious.