1. Super saturdays ends 8/6, buy a $20 gc on the half hour as first purchase for new users on saturday, get a chance at a $10 staples/dominos/.. gc as well as the $20 off. Chances are good, I have won last two sat. I tried with GC purchases.
2. Until 8/31 or fkrst 80,000: $20 off first use to new users: http://www.samsung.com/us/samsung...ondit
3. Get referred to samsung pay at first use (obtain, use a referral code from some friend) get $5 samsung gc per new referral.