Woolworths (in NSW at least) have recently dropped their 700g free range eggs to $4.59, while Aldi dropped theirs to $4.39.
Noticed this in the catalogue starting 2nd Dec:
Earn $1.00 Woolworths Dollars when you scan Woolworths Rewards Card. Woolworths Dollar offers featured are valid for at least the catalogue period.
Those in WA have cheaper eggs - $4.19!
You'll only be able to redeem your woolworths dollars after you have $10 collected, so you'll need to assess if you shop at woolies frequently enough to make it worthwhile.
From the Woolworths rewards FAQ
Do Woolworths Dollars Expire?
Your Woolworths Dollars won't expire, so long as you keep your account active by scanning your Woolworths Rewards card at least once every 18 months
I'm eggstatic, this deal is eggcelent!