>SNIP
>>
>>Do Walmart randomly stop people to check receipts against what in the bag ?
>>
>>I agree with you about the karma . If someone gives me too much change or makes an error I notice I will point it out to them.
>
>Here they do. Those friendly folks at the door watch everyone going in and out and if you have anything large or of value they compare what's in your bags/cart to what's on the receipt before you walk out.

I'm reminded now that did happen to me recently at a DIY store but it was in a "rougher" bit of London..