Although he doesn't publicize it much, writer Brian Michael Bendis offers a full refund on any and all of his comics. He'll refund cover price and shipping costs. Send them back to him at the following address:
6336 SE Milwaukee Ave. PMB #32
Portland, OR 97202
I plan on taking him up on this for the three "Avengers Disassembled" issues I bought, just as soon as I can get them from my folks' house (I deemed them not worth bringing along when I moved to NY).