Use, by you or one client, in a single end product which end users can be charged for. The total price includes the item price and a buyer fee.
“End product” does not include a downloadable product but means an online service.
No of course not. The author still owns the copyright and you therefore can’t do that without the permission. Should be quite obvious though.
No, officially is is not allowed, however many authors do it (most of them) therefore i doubt that something will happen.
Keep in mind that you got a hard rejection and are therefore not allowed to re-submit the item. That is most likely why they keep rejecting it.
Unfortunately your submission Wildlife • Environmental & Nonprofit PSD isn’t ready for ThemeForest and cannot be resubmitted
You need to include it in the main file package that you upload.
I am pretty sure that this is not allowed. All files must be readable and work on a standard shared hosting. Both is not the case with this framework.
“implemented as a C extension”
What does that mean? Are there are binary files? Or does it require a special loader on the server?