I too have never been cancelled when I have shown up at the hotel. Lots of times I have been contacted before travelling and cancelled. Best ever was $4 a night for a junior suite in Ottawa with breakfast included. It was mentioned at the front desk. I can't recall if it was at check in or out, but the clerk said something to the effect of "nice rate isn't it" and when I acknowledged it was, he let me know that the person responsible for the mistake was terminated. Another time I had booked 2 weekends and when contacted agreed to pay the full rate for one of the weekends, but in the end I cancelled both because the dates didn't work out. A few other times it was just cancelled outright, but long before arrival.