Should be posted into the HELP threads. (Section)
1) - Yes
2) - Learn GSC coding.
3) - Once again either download a program such as (MW2AdminTool) or program one into a mod.
4) - Once again learn Scripting in GSC coding.
5) - GSC coding(...)
6) - No need just something such as (Notepad or Notepad++)
7) - No.