I think you're running some kind of Scam.
Why are you going to tell us all the details?
Why are you going to tell us all the details?
she said that you need to pm her account
Why would anybody use cash back when transactions fees have to be paid .....are you suggesting bitcoin services should be free 
Honestly this sounds a phishing attempt!
Honestly this sounds a phishing attempt!
Maybe she offers a cashback/discount on a specific website that he has the codes
like there is a website to buy a phone and has 1% cashback so by using her promo codes we will get 5% cashback. And the transaction maybe not bitcoin-related