Another way to maximize on your credit card bonuses is by coupling your credit cards so as to optimize your rewards. (headedabroad.com)
Closing an old account, adding a couple credit cards and shopping around for a mortgage are, in aggregate, less detrimental than making a few late payments. (stockmonkeys.com)
Make sure you have at least a couple credit cards to your name, and, in addition to credit cards, consider applying for an installment loan (if you have a student loan, it counts as an installment loan). (creditcards.com)