Cashrewards have raised the Kitchen category cashback to 8% (10% if you have Cashrewards Max) at Amazon AU. Previously was 0%.
Standard rates below:
Kitchen 8%
Amazon Devices 7%
Apparel 6%
Luggage 6%
Personal Care Appliances 6%
Premium Beauty 6%
Shoes, Handbags & Accessories 6%
Watches 6%
Jewellery 6%
Beauty 4%
Home Entertainment 4%
Lawn & Garden 4%
Musical Instruments 4%
Electronics 4%
Mobile Phones 2%
Automotive 2%
Furniture 2%
Pantry Food & Drinks 0%
Personal Computing 0%
Physical Books 0%
Physical Music 0%
Video Games 0%
Wine, Beer & Spirits 0%
All Other Products 0%
Tools 0%
DVD & Blu-Ray 0%
Baby Products 0%
Camera 0%
Health & Household 0%
Home 0%
Home Improvement 0%
Office Products 0%
Pet Food & Supplies 0%
Software 0%
Sports & Outdoors 0%
Toys 0%
Electronics at 4% too which I don't remember seeing very often. Don't know exactly what it works for as there are many exclusions. Gave it a go anyway when I bought those AKG headphones.