Tefal GC722 OptiGrill +XL Health Grill: Silver $319.20 @ Myer

Hi guys Tefal optigrill (GC 722) $319.20 in Myers online or in store. Usual price is $399.
Harvey Norman (Hoppers crossing) matched the Myers price for me)
I paid $348 (including 2 years extra product care)
Used it with Amex offer spend $300 and get $100 off.
So basically paid $248 for product worth of $399. That gives me total 3 years of warranty.
And yes I already received $100 credit from Amex.