> So that would eliminate a kick starter, 30 day model? You'd have to store the credit card number so that you can auth & capture when needed, rather than only

> So that would eliminate a kick starter, 30 day model? You'd have to store the credit card number so that you can auth & capture when needed, rather than only store a temporary authorization token, which is exactly how those sites work now. Kickstarter gets your permission to charge your Amazon account, and Amazon charges one of your cards on file when the project is funded -- there's no long-standing authorization tying up funds for a month.