here's jon donovan. >> reporter: this is where rick ingersoll gets to go practically for free wheneveres flying, to the front of the line at the check-in counter, to the first-class lounge, to seats like these at the front of the airplane, first-class and business class. and the places he and his wife have gone together, such as -- >> we've gon to athens and then to dubrov nick and croatia, then up to split, all in croatia, then up to amsterdam and back. >> total cost, just the taxes, $60 each, plus 120,000 frequent flyer miles each, which sounds impossibly high. but not when you're what rick is, a frequent flyer millionaire. one who wants to teach the rest of us a few tricks on how to be that kind of millionaire also. >> does anybody in this room applied for a credit card primarily to get a sign youp bonus? [ laughter ] >> reporter: but did you know you can get miles by the millions without ever flying? these folks are smiling because they have been able to do than the first method he recommends, cashing in on credit card bonuses. lots of banks offer sign-up bonuses of 20,000, 40,000,

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