I used 9 at Bondi. Cashier lady roller her eyes a bit and complained that so many people were doing it. I mentioned that they were picking up nearly $3000 in business from me that they wouldn't have gotten otherwise so maybe the 15 seconds of work wasn't that big a deal.
I do now remember why I don't shop at Harvey Norman now. The whole sales experience is just terrible.
Yup thats Harvey Norman. I used 8 cards for a $163 dollar bill for dining as part of Shop Small. The guy didn't even mind a single bit.