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11K is a good starting point but, it's Sync and they're easy to work over. IIRC you have to wait till you get a statement usually before they'll budge on a CLI. In the past it used to be 4 statements before a request and subsequent requests.
877-379-8175 is the number you want to use and 25K is the limit before they start asking to send docs for POI.
Excellent SL for Sams. Congrats
http://ficoforums.myfico.com/t5/Credit-Card-Applications/Backdoor-Numbers/m-p/408066
Congrats on your approval!
Congrats on your Sam's Club MC approval!