i was a bit skeptical, then i checked my wallet and realized i had 2 gift cards i couldn't really use. i will be mailing those to cardpool tomorrow. i didn't

i was a bit skeptical, then i checked my wallet and realized i had 2 gift cards i couldn't really use. i will be mailing those to cardpool tomorrow. i didn't understand how this worked at first, here's a quick summary: 1) you look up the value of your cards online 2) you mail the cards to them 3) they mail you a check for the value (minus 10%)