How do I sell products in my App and avoid in-app purchasing
<p>My iPad app needs to sell products however I do not want to use Apple's payment system.  The guides from Apple are very explicit and also don't provide detail.</p>

<p>Is there any place I find out what the rules are and how I can get around it.</p>

<p>e.g. Do I have to load a webpage or can I simply call a webservice for payment etc</p>
