A free "trap" of a deal.
If you do decide to do this, cancel immediately after you get your card, but defininetly before 30days is up.
Also, if you call to cancel, write down who you talked to, what they said (key words, meaning), date and time.
Trust me....I've done similar things...called and canceled....low and behold I have charges on my next visa bill....with some sort of documentation they'll be less likely to challenge you.
good Luck!