When we bought all new appliances for our current home in early 2015 we bought extended warranties only on the LG fridge and the Bosch washer and dryer at $169 each They have now expired without any extended warranty claims.
When the Bosch washer developed some rust bubbles on the front panel after 2 years, I read the extended warranty policy and saw that it excluded corrosion so I contacted Bosch and requested it be repaired under the ACL, which they did.
The existing SMEG dishwasher was still covered by an extended warranty purchased by the previous owner, and we had it repaired twice under it.
Appliance sales people certainly try hard to sell extended warranties, even on things like toasters, as both the stores and the sales people get a fat chunk of the premiums.