. Yes, as long as you are approved, you are good to go on the subsequent app. Any denial, then you must wait 30 days. This is why most recommend apping the charger first if you are going for a charger then revolver 2nd because the charger UW requiements are less stringent then the revolvers. If one goes for the revolver first and is denied, then you can't app the charger for a full 30 days even though you may have been qualified. Also, getting in with Amex on the charger will elicit in most cases a SP for the second app to determine approval instead of a HP if denied.
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