ClickBank allows each vendor to determine the appropriate return, replacement or cancellation policy for its products (each a "Vendor Return Policy"). See the Client Contract (Section 3(a)), for more information. Each vendor will make its Vendor Return Policy readily available to customers prior to purchase of a product. If the applicable Vendor allows for returns, replacements or cancellations, ClickBank will allow for the return or replacement of any product purchased using the ClickBank services in accordance with the applicable Vendor Return Policy. For recurring billing products, returns for more than one payment may be provided if requested within the time stated in the Vendor Return Policy.
If you have pop-ups and optins on every page, I would have to think that it would be a lot harder to convince someone to link to it. Especially since the pages where you have your optins (and probably receive the most traffic) are probably the same pages that you have your best content on as well that you'd be hoping to pitch in your outreach campaign.