IS THIS SITE FOR REALL

so tell me does this site actually pay out too the winners, and really if you do win a big prize how long does it take to receive that prize in the mail. Also what do they mean by how you have to have a adress varification is that in your MY ACOUNT is that what they mean 

make sure your address is correct in your account and folllow the guidelines in the email they send you...make sure you check your junk folder for the email sometimes it ends up there.