I would be paying around $100 for this. If you are good enough, I will use you for regular work.
I prefer Indians, especially people from Kolkata. But of course, it is not mandatory. Anyone can apply.
Anyway, do answer the following questions in your PM or otherwise, your bid will be rejected.
2. How many articles a day will you be submitting of these 50 articles.
3. What is your experience in this field?