Hello,
My name is Faizan and I am a PHP developer. I have seen your project requirements and I think I can provide a good solution to achieve this. I will try to use slider Ultimate hooks so that I dont need to modify the plugin. I said try because it totally depend on how they have coded the plugin. I can use Paypal payflow for processing payment. I do need to know will the be any limit for featured items ?
A little bit about me: I belong to a team of 3 developers and 2 designers. I am the team lead, CTO, Manager, Rainmaker or whatever you can say :).We have been working in the field of PHP development since last 4 years. We have worked on Wordpress, Drupal and Joomla. We are also capable of handling small to medium level codeigniter or CakePHP projects very easily. The designer can provide you everything from a simple company logo to full fledge Website or Mobile App Mockups and layouts. In responsive website we have experience in Foundation4, Bootstrap and 960.gs. I work during Pacific Standard Time from 8AM to 6PM and is available to chat/email during and around these timings. So you can take updates easily and directly. You can see our portfolio inside my profile just to get any idea of work. You can see our reviews. Okay I wont take much of your time. Thanks for reading :)
Let me know if you are interested or if you have any questions
Best Regards
Faizan Shakil Faruqi