Originally Posted by TechAirman

You'll have to ask your credit card company if they can send you a purchase check instead of a cash advance check. If you can get the purchase check then pay for the CC charge by your next due date and you're safe. In the event that the only option is the cash advance check then keep checking your online CC account to find out when the charge posts to your CC account. Be prepared to make an immediate online payment to your CC account in order to minimize the cash advance interest charged. Remember the benefit of this exercise is earning miles with the cash that you were going to pay the mortgage company which earns 0 miles.