This article is from the Credit cards and Consumer Credit FAQ, by firstname.lastname@example.org (Steve Adams) with numerous contributions by others.
It may or may not be. Does the airline fly to places you really
want to go? How many dollars must you charge to earn a free ticket?
Is the airline likely to be around by then? Are you likely to spend
more than you otherwise would, just to accumulate the miles?
Ask yourself questions like these, in addition to all the others
mentioned in this section.