500
Some Walmart employees say customers are getting hostile at self-checkout — and they blame anti-theft tech
(www.businessinsider.com)
This is a most excellent place for technology news and articles.
I've done it several times lol
One time I've gotten a "hey you can't do that" but in my area the guards aren't allowed to stop you. Which imo is a dumb rule but it allows me to do this.