There have been a few pitches for the consumer dollar recently, but this is the hardest I've seen.
For about $80, Coles will ping back $15. Sylv and myself both thought that their databases had told them (correctly) that we're doing it tough and reduced the threshold accordingly. But I saw others of these about; its unlikely that we're special.
But that's a big chomp. Sure it's not a full 20% in most cases because the average shop would be well over $80. But coincidence has it that at the moment we are receiving the maximum return.