I know that different targets can come with varying prices, but I agree with @Erin Spence and @Sharad M. that 20 cents is very much on the high end.Another way to improve deliverability is to be sure that your list provider performs list hygiene.

And the very worst sin she might commit...how dare she, in her vapid femininity, presume to question ANY of the business decisions he makes in his eighth decade?