Some people may not care because they are not +20% discounts. But the codes may benefit some others.
There would be lesser jackings I guess.
Search links:
10% off tech(ebay.com.au).
10% off auto parts(ebay.com.au).
10% off home appliances(ebay.com.au).
10% off toys(ebay.com.au).
10% off top picks(ebay.com.au).
Full T&CS(pages.ebay.com.au)
I am shocked they haven't gone ahead with the 'traditional' 20/22% off!