‘YES’ Almost all universities are offering scholarship program for international student in merit and performance basis.
Depends on Country i.e. 2K to 5K in Europe but USA 20K to 60K per year.
Depends from Country to Country but maximum is 15 days.
Student visa for study or Visit visa form short cources wihch is less than 3 months.
In Most cases ,’YES’ you need visa to travel as student visa but if there is visa waiver from Country side then ‘NO’.
In some Countries there is Skype or online Interview but 90% no interview for admission stage.
If you are going for Language program then No, but yes if you are going to study degree program.
To learn new cultures, Languages, study New Skills and techniques.