Posted this elsewhere but just in case...Here's the details:
View attachment 59785
Plus these may also add some value (if you're patient enough). Why? Well if you buy a $50 gift card you get (according to the T&Cs) $10 off your next shop. So you buy another gift card for $60 value and pay $50 and get a $10 off your next shop which is your next $60 gift card purchase. It may work at $50 purchase from the second one but why risk it.
View attachment 59786
Time for the spread sheeting to begin!