If you haven't noticed all of the even half decent offers are requiring a phone for the second page. These phone numbers are dropped into a dialer where those leads are converted or not.
The advertiser will know right away that the people they are calling did not opt to receive their offer after the first few calls and it will not be hard to target your accounts and drop you.
The advertiser will know right away that the people they are calling did not opt to receive their offer after the first few calls and it will not be hard to target your accounts and drop you.