Dear Sir.
I already have the very similar project as your project.
i can customize it for your project.
I have many experience in developing eBay and Amazon inventory with PHP , Jquery , MYSQL and #C .
you can look at the great site on [login to view URL]
(for test account: user name: user , password:abcdef)
this is the site that is integrated eBay and Amazon.
It can be said through the dialog specific information.
I also perform many other tasks with #C.
I developed additem, reviseItem and relistItem programs with #C and php.
also i developed muti-picture uploading program with #C in bulk mode.
I can give a sufficient answer to your question and test tasks.
I can enough satisfy your requirements.
Please contact me. thanks.