Aden,
1. This can be done but I'm not sure of the precise steps.
2.
http://forum.x-cart.com/viewtopic.php?t=79&highlight=countries
3.
http://forum.x-cart.com/viewtopic.php?t=904&highlight=increment
4. & 5. & 6.
You will need to learn how to create and edit language labels, text and emails. You can add and or modify labels to show information in the required templates.
Here is an example of a mod I did.
http://forum.x-cart.com/viewtopic.php?t=3107&highlight=
http://forum.x-cart.com/viewtopic.php?t=3284&highlight=
All of the answers are here in the forum. You are going to have to search for the rest.
Good Luck!
