Originally Posted by
runb4fun
Do you pay 10k in rent in a year? Do you fly AA? If so, annually you'll make a profit of
$242 towards AA travel. Note: I've already deduced the credit card fee (1.99 with radpad), Citi AT&T fee, and Citi Prestige fee. You're literally getting paid to get get these cards

Oh, come now. That makes the bold assumption that the only alternative is to pay rent in cash or something similar. Instead, it's more plausible to pay with a no annual fee 2% card. The math changes a lot when you take that into account.