Did the BA and UA for my wife and the agent by recon asked a few times why did you apply for 2 cards are you shopping for credit . At first my wife said that she is calling about the BA card not any other ones. He said I see but why did you apply for both, my wife was honest and said that she wanted the sign up offers. It didn't sit well with him, he eventually agreed to try to push through just the BA card if she closes her CO card. 2 days later my wife called and was told that both were declined . She started arguing that they said they will close down a CO card and push through BA , she was transferred to a supervisor who said that the the 2 apps showed up as a double app for one card during recon and thats why it was declined . After some back and forth she said ok I will approve the BA for the credit line of the CO. Now we have to see if it actually gets appoved , and then see if I could still pull off the UA card.
All in All , it seems YMMV with how Chase is taking to more then one app at a time. You are still gaining the one pull , but you might be opening up a pandora box with it.