Extensive analysis of Optery and the topic of removing your personal info from the web on HN here:
But my solution to that is to use a burner credit card number! Specifically from privacy.com. I just make a new card with a limit of $20 to ensure it can't be billed again next month. I should of course just cancel the subscription, but if I forget they can't charge me next month anyway. I highly recommend privacy.com or other burner card services.