They might be a good deal for donors, but there still are a lot of questions to ask.

By Kimberly Seville

The second time I received multiple affinity credit card offers on the same day, I started paying attention.

At first glance, with the exception of the nonprofit logos on the corner card of each outer envelope, they seem identical. All shout the 0 percent fixed introductory APR until 2009 — but smaller, thinner type qualifies what month the offer ends and that it’s only for cash advance checks and balance transfers. All but one have a personalized teaser letting me specifically know that this particular card is “The most rewarding card of all^®.”