Is it a problem to do both?
I tried doing the twitter offer but got back an error msg saying I'm already enrolled i the offer
Same here. Look like it's just two different ways to sign up for the same offer. Much simpler to tweet than the Facebook app. The scrolling down was annoying.
Typically, once you sync your amex with a fb account for one promo, it stays synced for future promos too
hOW DO YOU FIND OUT WHICH CARD THEY HAVE ON FILE?
IT IS TOO MUCH TO REMEMBER!
What would happen if after receiving the credit you then returned the item. I received my credit from H&M but am going to return some things.